1387790203175 has 12 divisors (see below), whose sum is σ = 1720925176656. Its totient is φ = 1110190017600.

The previous prime is 1387790203171. The next prime is 1387790203243. The reversal of 1387790203175 is 5713020977831.

It is not a de Polignac number, because 1387790203175 - 2² = 1387790203171 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 (1387790203171) 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, 373259 + ... + 1707308.

It is an arithmetic number, because the mean of its divisors is an integer number (143410431388).

Almost surely, 2^{1387790203175} is an apocalyptic number.

1387790203175 is a deficient number, since it is larger than the sum of its proper divisors (333134973481).

1387790203175 is a wasteful number, since it uses less digits than its factorization.

1387790203175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107258 (or 2107253 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 53.

The spelling of 1387790203175 in words is "one trillion, three hundred eighty-seven billion, seven hundred ninety million, two hundred three thousand, one hundred seventy-five".