10645440623325 has 72 divisors (see below), whose sum is σ = 19738534033920. Its totient is φ = 5477933059200.

The previous prime is 10645440623297. The next prime is 10645440623347. The reversal of 10645440623325 is 52332604454601.

10645440623325 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 5 + 4 + 406 + 233 + 2 + 5 = 666.

It is not a de Polignac number, because 10645440623325 - 2⁶ = 10645440623261 is a prime.

It is a super-2 number, since 2×10645440623325² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8711820 + ... + 9858330.

Almost surely, 2^{10645440623325} is an apocalyptic number.

10645440623325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10645440623325 is a deficient number, since it is larger than the sum of its proper divisors (9093093410595).

10645440623325 is a wasteful number, since it uses less digits than its factorization.

10645440623325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147979 (or 1147971 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 10645440623325 in words is "ten trillion, six hundred forty-five billion, four hundred forty million, six hundred twenty-three thousand, three hundred twenty-five".