151111155 has 16 divisors (see below), whose sum is σ = 260376480. Its totient is φ = 74393088.

The previous prime is 151111069. The next prime is 151111187. The reversal of 151111155 is 551111151.

It is not a de Polignac number, because 151111155 - 2¹⁴ = 151094771 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387270 + ... + 387659.

It is an arithmetic number, because the mean of its divisors is an integer number (16273530).

Almost surely, 2^151111155 is an apocalyptic number.

151111155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

151111155 is a deficient number, since it is larger than the sum of its proper divisors (109265325).

151111155 is a wasteful number, since it uses less digits than its factorization.

151111155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774950.

The product of its digits is 125, while the sum is 21.

The square root of 151111155 is about 12292.7277282139. The cubic root of 151111155 is about 532.6380342636.

The spelling of 151111155 in words is "one hundred fifty-one million, one hundred eleven thousand, one hundred fifty-five".