8515461838960 has 20 divisors (see below), whose sum is σ = 19798448775768. Its totient is φ = 3406184735552.

The previous prime is 8515461838903. The next prime is 8515461838979. The reversal of 8515461838960 is 698381645158.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 8515461838892 and 8515461838901.

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, 53221636414 + ... + 53221636573.

Almost surely, 2^{8515461838960} is an apocalyptic number.

8515461838960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8515461838960 is an abundant number, since it is smaller than the sum of its proper divisors (11282986936808).

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

8515461838960 is a wasteful number, since it uses less digits than its factorization.

8515461838960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106443273000 (or 106443272994 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 64.

The spelling of 8515461838960 in words is "eight trillion, five hundred fifteen billion, four hundred sixty-one million, eight hundred thirty-eight thousand, nine hundred sixty".