1375204917807 has 12 divisors (see below), whose sum is σ = 2270179546960. Its totient is φ = 785831381568.

The previous prime is 1375204917803. The next prime is 1375204917851. The reversal of 1375204917807 is 7087194025731.

1375204917807 is a `hidden beast` number, since 1 + 3 + 7 + 520 + 49 + 1 + 78 + 0 + 7 = 666.

It is not a de Polignac number, because 1375204917807 - 2² = 1375204917803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375204917803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10914324682 + ... + 10914324807.

Almost surely, 2^{1375204917807} is an apocalyptic number.

1375204917807 is a deficient number, since it is larger than the sum of its proper divisors (894974629153).

1375204917807 is a wasteful number, since it uses less digits than its factorization.

1375204917807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21828649502 (or 21828649499 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

It can be divided in two parts, 1375204 and 917807, that added together give a triangular number (2293011 = T₂₁₄₁).

The spelling of 1375204917807 in words is "one trillion, three hundred seventy-five billion, two hundred four million, nine hundred seventeen thousand, eight hundred seven".