1081091915364 has 12 divisors (see below), whose sum is σ = 2522547802544. Its totient is φ = 360363971784.

The previous prime is 1081091915311. The next prime is 1081091915417. The reversal of 1081091915364 is 4635191901801.

It is an interprime number because it is at equal distance from previous prime (1081091915311) and next prime (1081091915417).

It is a tau number, because it is divible by the number of its divisors (12).

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, 45045496462 + ... + 45045496485.

Almost surely, 2^{1081091915364} is an apocalyptic number.

It is an amenable number.

1081091915364 is an abundant number, since it is smaller than the sum of its proper divisors (1441455887180).

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

1081091915364 is a wasteful number, since it uses less digits than its factorization.

1081091915364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90090992954 (or 90090992952 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 48.

The spelling of 1081091915364 in words is "one trillion, eighty-one billion, ninety-one million, nine hundred fifteen thousand, three hundred sixty-four".