15122291645496 has 256 divisors, whose sum is σ = 44094468096000. Its totient is φ = 4232697638400.

The previous prime is 15122291645471. The next prime is 15122291645497. The reversal of 15122291645496 is 69454619222151.

It is a happy number.

15122291645496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15122291645496² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15122291645497) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1953528186 + ... + 1953535926.

It is an arithmetic number, because the mean of its divisors is an integer number (172244016000).

Almost surely, 2^{15122291645496} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15122291645496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22047234048000).

15122291645496 is an abundant number, since it is smaller than the sum of its proper divisors (28972176450504).

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

15122291645496 is a wasteful number, since it uses less digits than its factorization.

15122291645496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850 (or 8846 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 57.

The spelling of 15122291645496 in words is "fifteen trillion, one hundred twenty-two billion, two hundred ninety-one million, six hundred forty-five thousand, four hundred ninety-six".