10137199987 has 2 divisors, whose sum is σ = 10137199988. Its totient is φ = 10137199986.

The previous prime is 10137199967. The next prime is 10137200069. The reversal of 10137199987 is 78999173101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10137199987 is a prime.

It is not a weakly prime, because it can be changed into another prime (10137199967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5068599993 + 5068599994.

It is an arithmetic number, because the mean of its divisors is an integer number (5068599994).

Almost surely, 2^10137199987 is an apocalyptic number.

10137199987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10137199987 is an equidigital number, since it uses as much as digits as its factorization.

10137199987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 55.

The spelling of 10137199987 in words is "ten billion, one hundred thirty-seven million, one hundred ninety-nine thousand, nine hundred eighty-seven".