12537116551 has 8 divisors (see below), whose sum is σ = 12702049920. Its totient is φ = 12372513912.

The previous prime is 12537116479. The next prime is 12537116563. The reversal of 12537116551 is 15561173521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12537116551 is a prime.

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 12537116551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12537116591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5905 + ... + 158458.

It is an arithmetic number, because the mean of its divisors is an integer number (1587756240).

Almost surely, 2^12537116551 is an apocalyptic number.

12537116551 is a deficient number, since it is larger than the sum of its proper divisors (164933369).

12537116551 is an equidigital number, since it uses as much as digits as its factorization.

12537116551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165365.

The product of its digits is 31500, while the sum is 37.

The spelling of 12537116551 in words is "twelve billion, five hundred thirty-seven million, one hundred sixteen thousand, five hundred fifty-one".