15149494151 has 12 divisors (see below), whose sum is σ = 16900468536. Its totient is φ = 13566703920.

The previous prime is 15149494123. The next prime is 15149494153.

15149494151 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-15149494151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15149494153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 926240 + ... + 942453.

It is an arithmetic number, because the mean of its divisors is an integer number (1408372378).

Almost surely, 2^15149494151 is an apocalyptic number.

15149494151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15149494151 is a deficient number, since it is larger than the sum of its proper divisors (1750974385).

15149494151 is a wasteful number, since it uses less digits than its factorization.

15149494151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868782 (or 1868771 counting only the distinct ones).

The product of its digits is 129600, while the sum is 44.

The spelling of 15149494151 in words is "fifteen billion, one hundred forty-nine million, four hundred ninety-four thousand, one hundred fifty-one".