70854561391000 has 64 divisors (see below), whose sum is σ = 166131938700000. Its totient is φ = 28285027113600.

The previous prime is 70854561390979. The next prime is 70854561391013. The reversal of 70854561391000 is 19316545807.

It is a congruent number.

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, 70497555 + ... + 71495554.

Almost surely, 2^{70854561391000} is an apocalyptic number.

It is an amenable number.

70854561391000 is an abundant number, since it is smaller than the sum of its proper divisors (95277377309000).

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

70854561391000 is a wasteful number, since it uses less digits than its factorization.

70854561391000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141993629 (or 141993615 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 70854561391000 in words is "seventy trillion, eight hundred fifty-four billion, five hundred sixty-one million, three hundred ninety-one thousand".