12572255531 has 8 divisors (see below), whose sum is σ = 14521963824. Its totient is φ = 10757009920.

The previous prime is 12572255447. The next prime is 12572255551. The reversal of 12572255531 is 13555227521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12572255531 - 2²² = 12568061227 is a prime.

It is a super-2 number, since 2×12572255531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12572255551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33615470 + ... + 33615843.

It is an arithmetic number, because the mean of its divisors is an integer number (1815245478).

Almost surely, 2^12572255531 is an apocalyptic number.

12572255531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12572255531 is a deficient number, since it is larger than the sum of its proper divisors (1949708293).

12572255531 is a wasteful number, since it uses less digits than its factorization.

12572255531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67231341.

The product of its digits is 105000, while the sum is 38.

The spelling of 12572255531 in words is "twelve billion, five hundred seventy-two million, two hundred fifty-five thousand, five hundred thirty-one".