157723549113 has 128 divisors (see below), whose sum is σ = 252123217920. Its totient is φ = 86822461440.

The previous prime is 157723549103. The next prime is 157723549121. The reversal of 157723549113 is 311945327751.

It is not a de Polignac number, because 157723549113 - 2⁴ = 157723549097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157723549103) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 429764256 + ... + 429764622.

It is an arithmetic number, because the mean of its divisors is an integer number (1969712640).

Almost surely, 2^157723549113 is an apocalyptic number.

157723549113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

157723549113 is a deficient number, since it is larger than the sum of its proper divisors (94399668807).

157723549113 is a wasteful number, since it uses less digits than its factorization.

157723549113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839.

The product of its digits is 793800, while the sum is 48.

The spelling of 157723549113 in words is "one hundred fifty-seven billion, seven hundred twenty-three million, five hundred forty-nine thousand, one hundred thirteen".