15550151120 has 40 divisors (see below), whose sum is σ = 41318974464. Its totient is φ = 5331480192.

The previous prime is 15550151119. The next prime is 15550151131. The reversal of 15550151120 is 2115105551.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 15550151120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13883504 + ... + 13884623.

Almost surely, 2^15550151120 is an apocalyptic number.

15550151120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15550151120 is an abundant number, since it is smaller than the sum of its proper divisors (25768823344).

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

15550151120 is a wasteful number, since it uses less digits than its factorization.

15550151120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27768147 (or 27768141 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 26.

Adding to 15550151120 its reverse (2115105551), we get a palindrome (17665256671).

The spelling of 15550151120 in words is "fifteen billion, five hundred fifty million, one hundred fifty-one thousand, one hundred twenty".