1138815925494 has 16 divisors (see below), whose sum is σ = 2452834301232. Its totient is φ = 350404900128.

The previous prime is 1138815925477. The next prime is 1138815925519. The reversal of 1138815925494 is 4945295188311.

It is a congruent number.

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, 7300102009 + ... + 7300102164.

It is an arithmetic number, because the mean of its divisors is an integer number (153302143827).

Almost surely, 2^{1138815925494} is an apocalyptic number.

1138815925494 is an abundant number, since it is smaller than the sum of its proper divisors (1314018375738).

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

1138815925494 is a wasteful number, since it uses less digits than its factorization.

1138815925494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14600204191.

The product of its digits is 12441600, while the sum is 60.

The spelling of 1138815925494 in words is "one trillion, one hundred thirty-eight billion, eight hundred fifteen million, nine hundred twenty-five thousand, four hundred ninety-four".