111422552151 has 4 divisors (see below), whose sum is σ = 148563402872. Its totient is φ = 74281701432.

The previous prime is 111422552117. The next prime is 111422552161. The reversal of 111422552151 is 151255224111.

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

It is not a de Polignac number, because 111422552151 - 2⁷ = 111422552023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111422552161) 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, 18570425356 + ... + 18570425361.

It is an arithmetic number, because the mean of its divisors is an integer number (37140850718).

Almost surely, 2^111422552151 is an apocalyptic number.

111422552151 is a deficient number, since it is larger than the sum of its proper divisors (37140850721).

111422552151 is an equidigital number, since it uses as much as digits as its factorization.

111422552151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37140850720.

The product of its digits is 4000, while the sum is 30.

Adding to 111422552151 its reverse (151255224111), we get a palindrome (262677776262).

The spelling of 111422552151 in words is "one hundred eleven billion, four hundred twenty-two million, five hundred fifty-two thousand, one hundred fifty-one".