1371379572556 has 48 divisors (see below), whose sum is σ = 2767299829056. Its totient is φ = 582476396544.

The previous prime is 1371379572553. The next prime is 1371379572559. The reversal of 1371379572556 is 6552759731731.

It is an interprime number because it is at equal distance from previous prime (1371379572553) and next prime (1371379572559).

It is a junction number, because it is equal to n+sod(n) for n = 1371379572494 and 1371379572503.

It is not an unprimeable number, because it can be changed into a prime (1371379572553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57183640 + ... + 57207616.

It is an arithmetic number, because the mean of its divisors is an integer number (57652079772).

Almost surely, 2^{1371379572556} is an apocalyptic number.

It is an amenable number.

1371379572556 is an abundant number, since it is smaller than the sum of its proper divisors (1395920256500).

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

1371379572556 is a wasteful number, since it uses less digits than its factorization.

1371379572556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42178 (or 42176 counting only the distinct ones).

The product of its digits is 41674500, while the sum is 61.

The spelling of 1371379572556 in words is "one trillion, three hundred seventy-one billion, three hundred seventy-nine million, five hundred seventy-two thousand, five hundred fifty-six".