11942768157 has 8 divisors (see below), whose sum is σ = 16161358176. Its totient is φ = 7843011792.

The previous prime is 11942768093. The next prime is 11942768161. The reversal of 11942768157 is 75186724911.

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

It is not a de Polignac number, because 11942768157 - 2⁶ = 11942768093 is a prime.

It is a super-2 number, since 2×11942768157² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11942768557) 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, 29708178 + ... + 29708579.

It is an arithmetic number, because the mean of its divisors is an integer number (2020169772).

Almost surely, 2^11942768157 is an apocalyptic number.

It is an amenable number.

11942768157 is a deficient number, since it is larger than the sum of its proper divisors (4218590019).

11942768157 is an equidigital number, since it uses as much as digits as its factorization.

11942768157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59416827.

The product of its digits is 846720, while the sum is 51.

The spelling of 11942768157 in words is "eleven billion, nine hundred forty-two million, seven hundred sixty-eight thousand, one hundred fifty-seven".