157953632705 has 16 divisors (see below), whose sum is σ = 206900573184. Its totient is φ = 114805975680.

The previous prime is 157953632701. The next prime is 157953632719. The reversal of 157953632705 is 507236359751.

It is a happy number.

It is not a de Polignac number, because 157953632705 - 2² = 157953632701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157953632701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775457 + ... + 957726.

It is an arithmetic number, because the mean of its divisors is an integer number (12931285824).

Almost surely, 2^157953632705 is an apocalyptic number.

It is an amenable number.

157953632705 is a deficient number, since it is larger than the sum of its proper divisors (48946940479).

157953632705 is a wasteful number, since it uses less digits than its factorization.

157953632705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734856.

The product of its (nonzero) digits is 5953500, while the sum is 53.

The spelling of 157953632705 in words is "one hundred fifty-seven billion, nine hundred fifty-three million, six hundred thirty-two thousand, seven hundred five".