12551893131 has 8 divisors (see below), whose sum is σ = 16740850384. Its totient is φ = 8365432320.

The previous prime is 12551893127. The next prime is 12551893141. The reversal of 12551893131 is 13139815521.

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

It is not a de Polignac number, because 12551893131 - 2² = 12551893127 is a prime.

It is a super-2 number, since 2×12551893131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12551893131.

It is not an unprimeable number, because it can be changed into a prime (12551893111) 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, 612346 + ... + 632511.

It is an arithmetic number, because the mean of its divisors is an integer number (2092606298).

Almost surely, 2^12551893131 is an apocalyptic number.

12551893131 is a deficient number, since it is larger than the sum of its proper divisors (4188957253).

12551893131 is a wasteful number, since it uses less digits than its factorization.

12551893131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248221.

The product of its digits is 32400, while the sum is 39.

The spelling of 12551893131 in words is "twelve billion, five hundred fifty-one million, eight hundred ninety-three thousand, one hundred thirty-one".