10515655407228 has 48 divisors (see below), whose sum is σ = 24618094475520. Its totient is φ = 3493573703424.

The previous prime is 10515655407199. The next prime is 10515655407233. The reversal of 10515655407228 is 82270455651501.

It is a super-2 number, since 2×10515655407228² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10938825 + ... + 11861247.

It is an arithmetic number, because the mean of its divisors is an integer number (512876968240).

Almost surely, 2^{10515655407228} is an apocalyptic number.

It is an amenable number.

10515655407228 is an abundant number, since it is smaller than the sum of its proper divisors (14102439068292).

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

10515655407228 is a wasteful number, since it uses less digits than its factorization.

10515655407228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925586 (or 925584 counting only the distinct ones).

The product of its (nonzero) digits is 3360000, while the sum is 51.

The spelling of 10515655407228 in words is "ten trillion, five hundred fifteen billion, six hundred fifty-five million, four hundred seven thousand, two hundred twenty-eight".