15271400155 has 16 divisors (see below), whose sum is σ = 20197757664. Its totient is φ = 10991969280.

The previous prime is 15271400149. The next prime is 15271400161. The reversal of 15271400155 is 55100417251.

It is an interprime number because it is at equal distance from previous prime (15271400149) and next prime (15271400161).

It is not a de Polignac number, because 15271400155 - 2⁹ = 15271399643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1425912 + ... + 1436581.

It is an arithmetic number, because the mean of its divisors is an integer number (1262359854).

Almost surely, 2^15271400155 is an apocalyptic number.

15271400155 is a deficient number, since it is larger than the sum of its proper divisors (4926357509).

15271400155 is a wasteful number, since it uses less digits than its factorization.

15271400155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862606.

The product of its (nonzero) digits is 7000, while the sum is 31.

The spelling of 15271400155 in words is "fifteen billion, two hundred seventy-one million, four hundred thousand, one hundred fifty-five".