26252661156 has 24 divisors (see below), whose sum is σ = 61388525184. Its totient is φ = 8731984800.

The previous prime is 26252661151. The next prime is 26252661157. The reversal of 26252661156 is 65116625262.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26252661151) 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 7 ways as a sum of consecutive naturals, for example, 2356995 + ... + 2368106.

It is an arithmetic number, because the mean of its divisors is an integer number (2557855216).

Almost surely, 2^26252661156 is an apocalyptic number.

It is an amenable number.

26252661156 is an abundant number, since it is smaller than the sum of its proper divisors (35135864028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26252661156 is a wasteful number, since it uses less digits than its factorization.

26252661156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725571 (or 4725569 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The spelling of 26252661156 in words is "twenty-six billion, two hundred fifty-two million, six hundred sixty-one thousand, one hundred fifty-six".