10645356556 has 36 divisors (see below), whose sum is σ = 20036291800. Its totient is φ = 4935171456.

The previous prime is 10645356523. The next prime is 10645356559. The reversal of 10645356556 is 65565354601.

It is a super-2 number, since 2×10645356556² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10645356559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136180 + ... + 199588.

Almost surely, 2^10645356556 is an apocalyptic number.

It is an amenable number.

10645356556 is a deficient number, since it is larger than the sum of its proper divisors (9390935244).

10645356556 is a wasteful number, since it uses less digits than its factorization.

10645356556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63526 (or 63477 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 46.

The spelling of 10645356556 in words is "ten billion, six hundred forty-five million, three hundred fifty-six thousand, five hundred fifty-six".