10156971899 has 2 divisors, whose sum is σ = 10156971900. Its totient is φ = 10156971898.

The previous prime is 10156971883. The next prime is 10156971983. The reversal of 10156971899 is 99817965101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10156971899 - 2⁴ = 10156971883 is a prime.

It is not a weakly prime, because it can be changed into another prime (10156971199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5078485949 + 5078485950.

It is an arithmetic number, because the mean of its divisors is an integer number (5078485950).

Almost surely, 2^10156971899 is an apocalyptic number.

10156971899 is a deficient number, since it is larger than the sum of its proper divisors (1).

10156971899 is an equidigital number, since it uses as much as digits as its factorization.

10156971899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 56.

The spelling of 10156971899 in words is "ten billion, one hundred fifty-six million, nine hundred seventy-one thousand, eight hundred ninety-nine".