215522301054 has 16 divisors (see below), whose sum is σ = 437478104448. Its totient is φ = 70768516632.

The previous prime is 215522301041. The next prime is 215522301077. The reversal of 215522301054 is 450103225512.

215522301054 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×215522301054² (a number of 23 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 7 ways as a sum of consecutive naturals, for example, 268062162 + ... + 268062965.

It is an arithmetic number, because the mean of its divisors is an integer number (27342381528).

Almost surely, 2^215522301054 is an apocalyptic number.

215522301054 is an abundant number, since it is smaller than the sum of its proper divisors (221955803394).

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

215522301054 is a wasteful number, since it uses less digits than its factorization.

215522301054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536125199.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 215522301054 its reverse (450103225512), we get a palindrome (665625526566).

The spelling of 215522301054 in words is "two hundred fifteen billion, five hundred twenty-two million, three hundred one thousand, fifty-four".