111157137147 has 48 divisors (see below), whose sum is σ = 173545027200. Its totient is φ = 63099832320.

The previous prime is 111157137121. The next prime is 111157137149. The reversal of 111157137147 is 741731751111.

It is a happy number.

It is not a de Polignac number, because 111157137147 - 2²² = 111152942843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111157137149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41336379 + ... + 41339067.

It is an arithmetic number, because the mean of its divisors is an integer number (3615521400).

Almost surely, 2^111157137147 is an apocalyptic number.

111157137147 is a deficient number, since it is larger than the sum of its proper divisors (62387890053).

111157137147 is a wasteful number, since it uses less digits than its factorization.

111157137147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456 (or 4449 counting only the distinct ones).

The product of its digits is 20580, while the sum is 39.

Adding to 111157137147 its reverse (741731751111), we get a palindrome (852888888258).

The spelling of 111157137147 in words is "one hundred eleven billion, one hundred fifty-seven million, one hundred thirty-seven thousand, one hundred forty-seven".