157538673811 has 8 divisors (see below), whose sum is σ = 164631016224. Its totient is φ = 150466567680.

The previous prime is 157538673737. The next prime is 157538673823. The reversal of 157538673811 is 118376835751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157538673811 - 2²³ = 157530285203 is a prime.

It is a super-2 number, since 2×157538673811² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157538673881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5043150 + ... + 5074291.

It is an arithmetic number, because the mean of its divisors is an integer number (20578877028).

Almost surely, 2^157538673811 is an apocalyptic number.

157538673811 is a deficient number, since it is larger than the sum of its proper divisors (7092342413).

157538673811 is a wasteful number, since it uses less digits than its factorization.

157538673811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10118141.

The product of its digits is 4233600, while the sum is 55.

The spelling of 157538673811 in words is "one hundred fifty-seven billion, five hundred thirty-eight million, six hundred seventy-three thousand, eight hundred eleven".