10655005425561 has 48 divisors (see below), whose sum is σ = 18641010345984. Its totient is φ = 5725150682112.

The previous prime is 10655005425553. The next prime is 10655005425563. The reversal of 10655005425561 is 16552450055601.

It is a happy number.

10655005425561 is a `hidden beast` number, since 1 + 0 + 6 + 5 + 50 + 0 + 5 + 42 + 556 + 1 = 666.

It is not a de Polignac number, because 10655005425561 - 2³ = 10655005425553 is a prime.

It is a super-2 number, since 2×10655005425561² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10655005425563) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3412020 + ... + 5740373.

It is an arithmetic number, because the mean of its divisors is an integer number (388354382208).

Almost surely, 2^{10655005425561} is an apocalyptic number.

It is an amenable number.

10655005425561 is a deficient number, since it is larger than the sum of its proper divisors (7986004920423).

10655005425561 is a wasteful number, since it uses less digits than its factorization.

10655005425561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9153510 (or 9153507 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 45.

The spelling of 10655005425561 in words is "ten trillion, six hundred fifty-five billion, five million, four hundred twenty-five thousand, five hundred sixty-one".