111055161660151 has 16 divisors (see below), whose sum is σ = 118547866483200. Its totient is φ = 103727256847200.

The previous prime is 111055161660139. The next prime is 111055161660193. The reversal of 111055161660151 is 151066161550111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111055161660151 - 2⁵ = 111055161660119 is a prime.

It is a super-2 number, since 2×111055161660151² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111055161670151) 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, 151516966 + ... + 152248156.

It is an arithmetic number, because the mean of its divisors is an integer number (7409241655200).

Almost surely, 2^{111055161660151} is an apocalyptic number.

111055161660151 is a deficient number, since it is larger than the sum of its proper divisors (7492704823049).

111055161660151 is a wasteful number, since it uses less digits than its factorization.

111055161660151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843870.

The product of its (nonzero) digits is 27000, while the sum is 40.

The spelling of 111055161660151 in words is "one hundred eleven trillion, fifty-five billion, one hundred sixty-one million, six hundred sixty thousand, one hundred fifty-one".