11677642425 has 90 divisors (see below), whose sum is σ = 22405915818. Its totient is φ = 6012437760.

The previous prime is 11677642381. The next prime is 11677642429. The reversal of 11677642425 is 52424677611.

11677642425 is a `hidden beast` number, since 1 + 167 + 7 + 64 + 2 + 425 = 666.

11677642425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 9 ways, for example, as 6709084281 + 4968558144 = 81909^2 + 70488^2 .

It is not a de Polignac number, because 11677642425 - 2¹⁰ = 11677641401 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (11677642429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 1699597 + ... + 1706453.

Almost surely, 2^11677642425 is an apocalyptic number.

11677642425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11677642425 is a deficient number, since it is larger than the sum of its proper divisors (10728273393).

11677642425 is an equidigital number, since it uses as much as digits as its factorization.

11677642425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6937 (or 6894 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

It can be divided in two parts, 116776 and 42425, that added together give a square (159201 = 399²).

The spelling of 11677642425 in words is "eleven billion, six hundred seventy-seven million, six hundred forty-two thousand, four hundred twenty-five".