11142040625 has 24 divisors (see below), whose sum is σ = 13942467000. Its totient is φ = 8903520000.

The previous prime is 11142040619. The next prime is 11142040643. The reversal of 11142040625 is 52604024111.

It can be written as a sum of positive squares in 12 ways, for example, as 10759290529 + 382750096 = 103727^2 + 19564^2 .

It is not a de Polignac number, because 11142040625 - 2⁶ = 11142040561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11142040594 and 11142040603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4051751 + ... + 4054499.

It is an arithmetic number, because the mean of its divisors is an integer number (580936125).

Almost surely, 2^11142040625 is an apocalyptic number.

It is an amenable number.

11142040625 is a deficient number, since it is larger than the sum of its proper divisors (2800426375).

11142040625 is an frugal number, since it uses more digits than its factorization.

11142040625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071 (or 4051 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 11142040625 its reverse (52604024111), we get a palindrome (63746064736).

The spelling of 11142040625 in words is "eleven billion, one hundred forty-two million, forty thousand, six hundred twenty-five".