157109272905951 has 24 divisors (see below), whose sum is σ = 232540089700464. Its totient is φ = 102154361850240.

The previous prime is 157109272905943. The next prime is 157109272905997. The reversal of 157109272905951 is 159509272901751.

157109272905951 is a `hidden beast` number, since 1 + 5 + 7 + 10 + 9 + 2 + 7 + 29 + 0 + 595 + 1 = 666.

It is not a de Polignac number, because 157109272905951 - 2³ = 157109272905943 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157109272905751) 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, 62369736 + ... + 64839821.

It is an arithmetic number, because the mean of its divisors is an integer number (9689170404186).

Almost surely, 2^{157109272905951} is an apocalyptic number.

157109272905951 is a deficient number, since it is larger than the sum of its proper divisors (75430816794513).

157109272905951 is a wasteful number, since it uses less digits than its factorization.

157109272905951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127212951 (or 127212948 counting only the distinct ones).

The product of its (nonzero) digits is 17860500, while the sum is 63.

The spelling of 157109272905951 in words is "one hundred fifty-seven trillion, one hundred nine billion, two hundred seventy-two million, nine hundred five thousand, nine hundred fifty-one".