15551041152 has 128 divisors (see below), whose sum is σ = 44021698560. Its totient is φ = 4852677632.

The previous prime is 15551041151. The next prime is 15551041189. The reversal of 15551041152 is 25114015551.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×15551041152² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15551041151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396373 + ... + 433835.

It is an arithmetic number, because the mean of its divisors is an integer number (343919520).

Almost surely, 2^15551041152 is an apocalyptic number.

15551041152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15551041152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22010849280).

15551041152 is an abundant number, since it is smaller than the sum of its proper divisors (28470657408).

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

15551041152 is a wasteful number, since it uses less digits than its factorization.

15551041152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37550 (or 37538 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 30.

The spelling of 15551041152 in words is "fifteen billion, five hundred fifty-one million, forty-one thousand, one hundred fifty-two".