15871430157 has 32 divisors (see below), whose sum is σ = 23298637824. Its totient is φ = 9530539200.

The previous prime is 15871430147. The next prime is 15871430167. The reversal of 15871430157 is 75103417851.

It is an interprime number because it is at equal distance from previous prime (15871430147) and next prime (15871430167).

It is not a de Polignac number, because 15871430157 - 2⁶ = 15871430093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15871430147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3815923 + ... + 3820079.

It is an arithmetic number, because the mean of its divisors is an integer number (728082432).

Almost surely, 2^15871430157 is an apocalyptic number.

It is an amenable number.

15871430157 is a deficient number, since it is larger than the sum of its proper divisors (7427207667).

15871430157 is a wasteful number, since it uses less digits than its factorization.

15871430157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5209.

The product of its (nonzero) digits is 117600, while the sum is 42.

The spelling of 15871430157 in words is "fifteen billion, eight hundred seventy-one million, four hundred thirty thousand, one hundred fifty-seven".