10551856236 has 24 divisors (see below), whose sum is σ = 24642953664. Its totient is φ = 3514148880.

The previous prime is 10551856201. The next prime is 10551856247. The reversal of 10551856236 is 63265815501.

It is a happy number.

It is a super-2 number, since 2×10551856236² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378030 + ... + 404981.

It is an arithmetic number, because the mean of its divisors is an integer number (1026789736).

Almost surely, 2^10551856236 is an apocalyptic number.

It is an amenable number.

10551856236 is an abundant number, since it is smaller than the sum of its proper divisors (14091097428).

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

10551856236 is a wasteful number, since it uses less digits than its factorization.

10551856236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784141 (or 784139 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 10551856236 in words is "ten billion, five hundred fifty-one million, eight hundred fifty-six thousand, two hundred thirty-six".