10655565101520 has 80 divisors (see below), whose sum is σ = 33234903788352. Its totient is φ = 2824051599360.

The previous prime is 10655565101501. The next prime is 10655565101539. The reversal of 10655565101520 is 2510156555601.

It is an interprime number because it is at equal distance from previous prime (10655565101501) and next prime (10655565101539).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×10655565101520² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136151641 + ... + 136229880.

Almost surely, 2^{10655565101520} is an apocalyptic number.

10655565101520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10655565101520 is an abundant number, since it is smaller than the sum of its proper divisors (22579338686832).

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

10655565101520 is a wasteful number, since it uses less digits than its factorization.

10655565101520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272381700 (or 272381694 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 42.

The spelling of 10655565101520 in words is "ten trillion, six hundred fifty-five billion, five hundred sixty-five million, one hundred one thousand, five hundred twenty".