1215497452086 has 24 divisors (see below), whose sum is σ = 2633624304480. Its totient is φ = 405158664816.

The previous prime is 1215497452073. The next prime is 1215497452097. The reversal of 1215497452086 is 6802547945121.

1215497452086 is a `hidden beast` number, since 1 + 2 + 1 + 5 + 49 + 74 + 520 + 8 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 507091 + ... + 1639553.

It is an arithmetic number, because the mean of its divisors is an integer number (109734346020).

Almost surely, 2^{1215497452086} is an apocalyptic number.

1215497452086 is an abundant number, since it is smaller than the sum of its proper divisors (1418126852394).

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

1215497452086 is a wasteful number, since it uses less digits than its factorization.

1215497452086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192100 (or 1192097 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 1215497452086 in words is "one trillion, two hundred fifteen billion, four hundred ninety-seven million, four hundred fifty-two thousand, eighty-six".