242551252015 has 16 divisors (see below), whose sum is σ = 293359008960. Its totient is φ = 192511002880.

The previous prime is 242551251989. The next prime is 242551252037. The reversal of 242551252015 is 510252155242.

It is not a de Polignac number, because 242551252015 - 2¹⁷ = 242551120943 is a prime.

It is a super-2 number, since 2×242551252015² (a number of 24 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 15 ways as a sum of consecutive naturals, for example, 1067070 + ... + 1274260.

It is an arithmetic number, because the mean of its divisors is an integer number (18334938060).

Almost surely, 2^242551252015 is an apocalyptic number.

242551252015 is a deficient number, since it is larger than the sum of its proper divisors (50807756945).

242551252015 is a wasteful number, since it uses less digits than its factorization.

242551252015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209042.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 242551252015 in words is "two hundred forty-two billion, five hundred fifty-one million, two hundred fifty-two thousand, fifteen".