1045855399968 has 96 divisors (see below), whose sum is σ = 3050660430720. Its totient is φ = 348590027520.

The previous prime is 1045855399937. The next prime is 1045855400021. The reversal of 1045855399968 is 8699935585401.

1045855399968 is a `hidden beast` number, since 1 + 0 + 4 + 5 + 8 + 553 + 9 + 9 + 9 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 1045855399896 and 1045855399905.

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, 12348421 + ... + 12432827.

It is an arithmetic number, because the mean of its divisors is an integer number (31777712820).

Almost surely, 2^{1045855399968} is an apocalyptic number.

1045855399968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1045855399968 is an abundant number, since it is smaller than the sum of its proper divisors (2004805030752).

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

1045855399968 is a wasteful number, since it uses less digits than its factorization.

1045855399968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98767 (or 98753 counting only the distinct ones).

The product of its (nonzero) digits is 419904000, while the sum is 72.

The spelling of 1045855399968 in words is "one trillion, forty-five billion, eight hundred fifty-five million, three hundred ninety-nine thousand, nine hundred sixty-eight".