151115550 has 96 divisors (see below), whose sum is σ = 417830400. Its totient is φ = 35919360.

The previous prime is 151115539. The next prime is 151115563. The reversal of 151115550 is 55511151.

It is a self number, because there is not a number n which added to its sum of digits gives 151115550.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 46891 + ... + 50009.

It is an arithmetic number, because the mean of its divisors is an integer number (4352400).

Almost surely, 2^151115550 is an apocalyptic number.

151115550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 151115550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208915200).

151115550 is an abundant number, since it is smaller than the sum of its proper divisors (266714850).

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

151115550 is a wasteful number, since it uses less digits than its factorization.

151115550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170 (or 3165 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 24.

The square root of 151115550 is about 12292.9064911436. The cubic root of 151115550 is about 532.6431980594.

The spelling of 151115550 in words is "one hundred fifty-one million, one hundred fifteen thousand, five hundred fifty".