1375260217564 has 12 divisors (see below), whose sum is σ = 2412449310600. Its totient is φ = 685988985968.

The previous prime is 1375260217517. The next prime is 1375260217577. The reversal of 1375260217564 is 4657120625731.

It is a super-2 number, since 2×1375260217564² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410278819 + ... + 410282170.

It is an arithmetic number, because the mean of its divisors is an integer number (201037442550).

Almost surely, 2^{1375260217564} is an apocalyptic number.

It is an amenable number.

1375260217564 is a deficient number, since it is larger than the sum of its proper divisors (1037189093036).

1375260217564 is a wasteful number, since it uses less digits than its factorization.

1375260217564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820561412 (or 820561410 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 1375260217564 in words is "one trillion, three hundred seventy-five billion, two hundred sixty million, two hundred seventeen thousand, five hundred sixty-four".