15151252158 has 48 divisors (see below), whose sum is σ = 37992314880. Its totient is φ = 4274129808.

The previous prime is 15151252157. The next prime is 15151252219. The reversal of 15151252158 is 85125215151.

It is a happy number.

15151252158 is a `hidden beast` number, since 1 + 515 + 125 + 2 + 15 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15151252157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 751110 + ... + 771017.

It is an arithmetic number, because the mean of its divisors is an integer number (791506560).

Almost surely, 2^15151252158 is an apocalyptic number.

15151252158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

15151252158 is an abundant number, since it is smaller than the sum of its proper divisors (22841062722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15151252158 is a wasteful number, since it uses less digits than its factorization.

15151252158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522221 (or 1522218 counting only the distinct ones).

The product of its digits is 20000, while the sum is 36.

The spelling of 15151252158 in words is "fifteen billion, one hundred fifty-one million, two hundred fifty-two thousand, one hundred fifty-eight".