215030552261016 has 32 divisors (see below), whose sum is σ = 537634067270400. Its totient is φ = 71669159204640.

The previous prime is 215030552260943. The next prime is 215030552261027. The reversal of 215030552261016 is 610162255030512.

It is a super-3 number, since 3×215030552261016³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480493500 + ... + 480940811.

It is an arithmetic number, because the mean of its divisors is an integer number (16801064602200).

Almost surely, 2^{215030552261016} is an apocalyptic number.

It is an amenable number.

215030552261016 is an abundant number, since it is smaller than the sum of its proper divisors (322603515009384).

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

215030552261016 is a wasteful number, since it uses less digits than its factorization.

215030552261016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961443639 (or 961443635 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 215030552261016 in words is "two hundred fifteen trillion, thirty billion, five hundred fifty-two million, two hundred sixty-one thousand, sixteen".