157112211 has 8 divisors (see below), whose sum is σ = 213940224. Its totient is φ = 102512840.

The previous prime is 157112173. The next prime is 157112213. The reversal of 157112211 is 112211751.

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 157112211 - 2¹⁰ = 157111187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157112213) 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, 556995 + ... + 557276.

It is an arithmetic number, because the mean of its divisors is an integer number (26742528).

Almost surely, 2^157112211 is an apocalyptic number.

157112211 is a deficient number, since it is larger than the sum of its proper divisors (56828013).

157112211 is a wasteful number, since it uses less digits than its factorization.

157112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114321.

The product of its digits is 140, while the sum is 21.

The square root of 157112211 is about 12534.4409927208. The cubic root of 157112211 is about 539.5975636695.

Adding to 157112211 its reverse (112211751), we get a palindrome (269323962).

The spelling of 157112211 in words is "one hundred fifty-seven million, one hundred twelve thousand, two hundred eleven".