157171711 has 8 divisors (see below), whose sum is σ = 158416560. Its totient is φ = 155931072.

The previous prime is 157171699. The next prime is 157171723. The reversal of 157171711 is 117171751.

It is an interprime number because it is at equal distance from previous prime (157171699) and next prime (157171723).

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 157171711 - 2⁷ = 157171583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157171741) 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, 139396 + ... + 140518.

It is an arithmetic number, because the mean of its divisors is an integer number (19802070).

Almost surely, 2^157171711 is an apocalyptic number.

157171711 is a deficient number, since it is larger than the sum of its proper divisors (1244849).

157171711 is a wasteful number, since it uses less digits than its factorization.

157171711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105.

The product of its digits is 1715, while the sum is 31.

The square root of 157171711 is about 12536.8142285032. The cubic root of 157171711 is about 539.6656721098.

The spelling of 157171711 in words is "one hundred fifty-seven million, one hundred seventy-one thousand, seven hundred eleven".