157238383837211 has 16 divisors (see below), whose sum is σ = 159287263480800. Its totient is φ = 155198281125888.

The previous prime is 157238383837187. The next prime is 157238383837261. The reversal of 157238383837211 is 112738383832751.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157238383837211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157238383837261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734895695 + ... + 735109623.

It is an arithmetic number, because the mean of its divisors is an integer number (9955453967550).

Almost surely, 2^{157238383837211} is an apocalyptic number.

157238383837211 is a deficient number, since it is larger than the sum of its proper divisors (2048879643589).

157238383837211 is a wasteful number, since it uses less digits than its factorization.

157238383837211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234398.

The product of its digits is 40642560, while the sum is 62.

The spelling of 157238383837211 in words is "one hundred fifty-seven trillion, two hundred thirty-eight billion, three hundred eighty-three million, eight hundred thirty-seven thousand, two hundred eleven".