215254949452512 has 24 divisors (see below), whose sum is σ = 565044242313096. Its totient is φ = 71751649817472.

The previous prime is 215254949452469. The next prime is 215254949452519.

215254949452512 is nontrivially palindromic in base 10.

215254949452512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×215254949452512² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215254949452519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1121119528303 + ... + 1121119528494.

It is an arithmetic number, because the mean of its divisors is an integer number (23543510096379).

Almost surely, 2^{215254949452512} is an apocalyptic number.

It is an amenable number.

215254949452512 is an abundant number, since it is smaller than the sum of its proper divisors (349789292860584).

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

215254949452512 is a wasteful number, since it uses less digits than its factorization.

215254949452512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242239056810 (or 2242239056802 counting only the distinct ones).

The product of its digits is 51840000, while the sum is 60.

The spelling of 215254949452512 in words is "two hundred fifteen trillion, two hundred fifty-four billion, nine hundred forty-nine million, four hundred fifty-two thousand, five hundred twelve".