15522051287648 has 24 divisors (see below), whose sum is σ = 30567992405328. Its totient is φ = 7758751629184.

The previous prime is 15522051287609. The next prime is 15522051287663. The reversal of 15522051287648 is 84678215022551.

It is a junction number, because it is equal to n+sod(n) for n = 15522051287593 and 15522051287602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70952036 + ... + 71170467.

It is an arithmetic number, because the mean of its divisors is an integer number (1273666350222).

Almost surely, 2^{15522051287648} is an apocalyptic number.

It is an amenable number.

15522051287648 is a deficient number, since it is larger than the sum of its proper divisors (15045941117680).

15522051287648 is a wasteful number, since it uses less digits than its factorization.

15522051287648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142125926 (or 142125918 counting only the distinct ones).

The product of its (nonzero) digits is 10752000, while the sum is 56.

The spelling of 15522051287648 in words is "fifteen trillion, five hundred twenty-two billion, fifty-one million, two hundred eighty-seven thousand, six hundred forty-eight".