157515075506 has 16 divisors (see below), whose sum is σ = 237176983680. Its totient is φ = 78456612960.

The previous prime is 157515075499. The next prime is 157515075547. The reversal of 157515075506 is 605570515751.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462251 + ... + 727121.

It is an arithmetic number, because the mean of its divisors is an integer number (14823561480).

Almost surely, 2^157515075506 is an apocalyptic number.

157515075506 is a deficient number, since it is larger than the sum of its proper divisors (79661908174).

157515075506 is a wasteful number, since it uses less digits than its factorization.

157515075506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266009.

The product of its (nonzero) digits is 918750, while the sum is 47.

The spelling of 157515075506 in words is "one hundred fifty-seven billion, five hundred fifteen million, seventy-five thousand, five hundred six".