37130111987 has 2 divisors, whose sum is σ = 37130111988. Its totient is φ = 37130111986.

The previous prime is 37130111951. The next prime is 37130112007. The reversal of 37130111987 is 78911103173.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37130111987 is a prime.

It is a super-2 number, since 2×37130111987² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (37130111687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18565055993 + 18565055994.

It is an arithmetic number, because the mean of its divisors is an integer number (18565055994).

Almost surely, 2^37130111987 is an apocalyptic number.

37130111987 is a deficient number, since it is larger than the sum of its proper divisors (1).

37130111987 is an equidigital number, since it uses as much as digits as its factorization.

37130111987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 41.

The spelling of 37130111987 in words is "thirty-seven billion, one hundred thirty million, one hundred eleven thousand, nine hundred eighty-seven".