152542251213021 has 24 divisors (see below), whose sum is σ = 228196259576064. Its totient is φ = 98129267567520.

The previous prime is 152542251212983. The next prime is 152542251213031. The reversal of 152542251213021 is 120312152245251.

152542251213021 is a `hidden beast` number, since 1 + 5 + 2 + 5 + 4 + 2 + 2 + 512 + 130 + 2 + 1 = 666.

It is not a de Polignac number, because 152542251213021 - 2¹⁴ = 152542251196637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152542251213031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2539547286 + ... + 2539607351.

It is an arithmetic number, because the mean of its divisors is an integer number (9508177482336).

Almost surely, 2^{152542251213021} is an apocalyptic number.

It is an amenable number.

152542251213021 is a deficient number, since it is larger than the sum of its proper divisors (75654008363043).

152542251213021 is a wasteful number, since it uses less digits than its factorization.

152542251213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079154761 (or 5079154758 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 152542251213021 in words is "one hundred fifty-two trillion, five hundred forty-two billion, two hundred fifty-one million, two hundred thirteen thousand, twenty-one".