10561693725 has 216 divisors, whose sum is σ = 22043339136. Its totient is φ = 4820640000.

The previous prime is 10561693691. The next prime is 10561693739. The reversal of 10561693725 is 52739616501.

10561693725 is a `hidden beast` number, since 1 + 0 + 5 + 616 + 9 + 3 + 7 + 25 = 666.

It is not a de Polignac number, because 10561693725 - 2¹⁵ = 10561660957 is a prime.

It is a super-2 number, since 2×10561693725² (a number of 21 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 215 ways as a sum of consecutive naturals, for example, 63243592 + ... + 63243758.

It is an arithmetic number, because the mean of its divisors is an integer number (102052496).

Almost surely, 2^10561693725 is an apocalyptic number.

10561693725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10561693725 is an abundant number, since it is smaller than the sum of its proper divisors (11481645411).

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

10561693725 is a wasteful number, since it uses less digits than its factorization.

10561693725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 10561693725 in words is "ten billion, five hundred sixty-one million, six hundred ninety-three thousand, seven hundred twenty-five".