157102554815 has 32 divisors (see below), whose sum is σ = 194976377856. Its totient is φ = 121429808640.

The previous prime is 157102554731. The next prime is 157102554821. The reversal of 157102554815 is 518455201751.

It is a happy number.

It is not a de Polignac number, because 157102554815 - 2¹⁴ = 157102538431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21656729 + ... + 21663981.

It is an arithmetic number, because the mean of its divisors is an integer number (6093011808).

Almost surely, 2^157102554815 is an apocalyptic number.

157102554815 is a deficient number, since it is larger than the sum of its proper divisors (37873823041).

157102554815 is a wasteful number, since it uses less digits than its factorization.

157102554815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8099.

The product of its (nonzero) digits is 280000, while the sum is 44.

The spelling of 157102554815 in words is "one hundred fifty-seven billion, one hundred two million, five hundred fifty-four thousand, eight hundred fifteen".