215272025254 has 48 divisors (see below), whose sum is σ = 381623260464. Its totient is φ = 90281692800.

The previous prime is 215272025237. The next prime is 215272025261. The reversal of 215272025254 is 452520272512.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8691472 + ... + 8716204.

It is an arithmetic number, because the mean of its divisors is an integer number (7950484593).

Almost surely, 2^215272025254 is an apocalyptic number.

215272025254 is a deficient number, since it is larger than the sum of its proper divisors (166351235210).

215272025254 is a wasteful number, since it uses less digits than its factorization.

215272025254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27113 (or 27100 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 37.

Adding to 215272025254 its reverse (452520272512), we get a palindrome (667792297766).

The spelling of 215272025254 in words is "two hundred fifteen billion, two hundred seventy-two million, twenty-five thousand, two hundred fifty-four".