15261022065552 has 40 divisors (see below), whose sum is σ = 39426603512064. Its totient is φ = 5086711031424.

The previous prime is 15261022065551. The next prime is 15261022065587. The reversal of 15261022065552 is 25556022016251.

It is a happy number.

15261022065552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15261022065551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8426743 + ... + 10076310.

Almost surely, 2^{15261022065552} is an apocalyptic number.

15261022065552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15261022065552 is an abundant number, since it is smaller than the sum of its proper divisors (24165581446512).

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

15261022065552 is a wasteful number, since it uses less digits than its factorization.

15261022065552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18520247 (or 18520241 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 15261022065552 in words is "fifteen trillion, two hundred sixty-one billion, twenty-two million, sixty-five thousand, five hundred fifty-two".