10215618487488 has 84 divisors (see below), whose sum is σ = 29693637659088. Its totient is φ = 3357245498880.

The previous prime is 10215618487453. The next prime is 10215618487517. The reversal of 10215618487488 is 88478481651201.

10215618487488 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 5 + 618 + 4 + 8 + 7 + 4 + 8 + 8 = 666.

It is a super-2 number, since 2×10215618487488² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124856631 + ... + 124938422.

Almost surely, 2^{10215618487488} is an apocalyptic number.

10215618487488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10215618487488 is an abundant number, since it is smaller than the sum of its proper divisors (19478019171600).

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

10215618487488 is a wasteful number, since it uses less digits than its factorization.

10215618487488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249795142 (or 249795129 counting only the distinct ones).

The product of its (nonzero) digits is 27525120, while the sum is 63.

The spelling of 10215618487488 in words is "ten trillion, two hundred fifteen billion, six hundred eighteen million, four hundred eighty-seven thousand, four hundred eighty-eight".