172511553414020 has 48 divisors (see below), whose sum is σ = 362821180612800. Its totient is φ = 68900475623040.

The previous prime is 172511553414001. The next prime is 172511553414043. The reversal of 172511553414020 is 20414355115271.

It is a super-2 number, since 2×172511553414020² (a number of 29 digits) contains 22 as substring.

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, 93993491 + ... + 95811269.

It is an arithmetic number, because the mean of its divisors is an integer number (7558774596100).

Almost surely, 2^{172511553414020} is an apocalyptic number.

172511553414020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172511553414020 is an abundant number, since it is smaller than the sum of its proper divisors (190309627198780).

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

172511553414020 is a wasteful number, since it uses less digits than its factorization.

172511553414020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824948 (or 1824946 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 172511553414020 in words is "one hundred seventy-two trillion, five hundred eleven billion, five hundred fifty-three million, four hundred fourteen thousand, twenty".