12551141631 has 16 divisors (see below), whose sum is σ = 19387545344. Its totient is φ = 7073832384.

The previous prime is 12551141627. The next prime is 12551141641. The reversal of 12551141631 is 13614115521.

It is not a de Polignac number, because 12551141631 - 2² = 12551141627 is a prime.

It is a super-2 number, since 2×12551141631² (a number of 21 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 (12551141621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4092121 + ... + 4095186.

It is an arithmetic number, because the mean of its divisors is an integer number (1211721584).

Almost surely, 2^12551141631 is an apocalyptic number.

12551141631 is a deficient number, since it is larger than the sum of its proper divisors (6836403713).

12551141631 is an equidigital number, since it uses as much as digits as its factorization.

12551141631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8187390.

The product of its digits is 3600, while the sum is 30.

The spelling of 12551141631 in words is "twelve billion, five hundred fifty-one million, one hundred forty-one thousand, six hundred thirty-one".