11626264231 has 4 divisors (see below), whose sum is σ = 11704293000. Its totient is φ = 11548235464.

The previous prime is 11626264213. The next prime is 11626264241. The reversal of 11626264231 is 13246262611.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-11626264231 is a prime.

It is a super-2 number, since 2×11626264231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11626264241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39014161 + ... + 39014458.

It is an arithmetic number, because the mean of its divisors is an integer number (2926073250).

Almost surely, 2^11626264231 is an apocalyptic number.

11626264231 is a deficient number, since it is larger than the sum of its proper divisors (78028769).

11626264231 is an equidigital number, since it uses as much as digits as its factorization.

11626264231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78028768.

The product of its digits is 20736, while the sum is 34.

The spelling of 11626264231 in words is "eleven billion, six hundred twenty-six million, two hundred sixty-four thousand, two hundred thirty-one".