2017072107157 has 4 divisors (see below), whose sum is σ = 2135723407596. Its totient is φ = 1898420806720.

The previous prime is 2017072107119. The next prime is 2017072107161. The reversal of 2017072107157 is 7517012707102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1465240041841 + 551832065316 = 1210471^2 + 742854^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2017072107157 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2017072105157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59325650194 + ... + 59325650227.

It is an arithmetic number, because the mean of its divisors is an integer number (533930851899).

Almost surely, 2^{2017072107157} is an apocalyptic number.

It is an amenable number.

2017072107157 is a deficient number, since it is larger than the sum of its proper divisors (118651300439).

2017072107157 is a wasteful number, since it uses less digits than its factorization.

2017072107157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118651300438.

The product of its (nonzero) digits is 48020, while the sum is 40.

The spelling of 2017072107157 in words is "two trillion, seventeen billion, seventy-two million, one hundred seven thousand, one hundred fifty-seven".