1390951375055 has 16 divisors (see below), whose sum is σ = 1821106879488. Its totient is φ = 1011475956000.

The previous prime is 1390951375039. The next prime is 1390951375061. The reversal of 1390951375055 is 5505731590931.

It is a happy number.

It is not a de Polignac number, because 1390951375055 - 2⁴ = 1390951375039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1390951374988 and 1390951375006.

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, 1112891 + ... + 2005100.

It is an arithmetic number, because the mean of its divisors is an integer number (113819179968).

Almost surely, 2^{1390951375055} is an apocalyptic number.

1390951375055 is a deficient number, since it is larger than the sum of its proper divisors (430155504433).

1390951375055 is a wasteful number, since it uses less digits than its factorization.

1390951375055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126118.

The product of its (nonzero) digits is 3189375, while the sum is 53.

The spelling of 1390951375055 in words is "one trillion, three hundred ninety billion, nine hundred fifty-one million, three hundred seventy-five thousand, fifty-five".