152557057231 has 4 divisors (see below), whose sum is σ = 161531001792. Its totient is φ = 143583112672.

The previous prime is 152557057127. The next prime is 152557057343. The reversal of 152557057231 is 132750755251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 152557057231 - 2¹³ = 152557049039 is a prime.

It is a super-2 number, since 2×152557057231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152557057831) 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, 4486972255 + ... + 4486972288.

It is an arithmetic number, because the mean of its divisors is an integer number (40382750448).

Almost surely, 2^152557057231 is an apocalyptic number.

152557057231 is a deficient number, since it is larger than the sum of its proper divisors (8973944561).

152557057231 is an equidigital number, since it uses as much as digits as its factorization.

152557057231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8973944560.

The product of its (nonzero) digits is 367500, while the sum is 43.

The spelling of 152557057231 in words is "one hundred fifty-two billion, five hundred fifty-seven million, fifty-seven thousand, two hundred thirty-one".