1345785811908 has 24 divisors (see below), whose sum is σ = 3140291481600. Its totient is φ = 448577472480.

The previous prime is 1345785811801. The next prime is 1345785811919. The reversal of 1345785811908 is 8091185875431.

It is a super-2 number, since 2×1345785811908² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1907908 + ... + 2516283.

It is an arithmetic number, because the mean of its divisors is an integer number (130845478400).

Almost surely, 2^{1345785811908} is an apocalyptic number.

It is an amenable number.

1345785811908 is an abundant number, since it is smaller than the sum of its proper divisors (1794505669692).

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

1345785811908 is a wasteful number, since it uses less digits than its factorization.

1345785811908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449547 (or 4449545 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 60.

The spelling of 1345785811908 in words is "one trillion, three hundred forty-five billion, seven hundred eighty-five million, eight hundred eleven thousand, nine hundred eight".