151111128 has 64 divisors (see below), whose sum is σ = 436988160. Its totient is φ = 42650496.

The previous prime is 151111069. The next prime is 151111187. The reversal of 151111128 is 821111151.

It is an interprime number because it is at equal distance from previous prime (151111069) and next prime (151111187).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8526 + ... + 19362.

It is an arithmetic number, because the mean of its divisors is an integer number (6827940).

Almost surely, 2^151111128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151111128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218494080).

151111128 is an abundant number, since it is smaller than the sum of its proper divisors (285877032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151111128 is a wasteful number, since it uses less digits than its factorization.

151111128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10936 (or 10932 counting only the distinct ones).

The product of its digits is 80, while the sum is 21.

The square root of 151111128 is about 12292.7266300036. The cubic root of 151111128 is about 532.6380025403.

Adding to 151111128 its reverse (821111151), we get a palindrome (972222279).

The spelling of 151111128 in words is "one hundred fifty-one million, one hundred eleven thousand, one hundred twenty-eight".