1375744520472 has 32 divisors (see below), whose sum is σ = 3930698630400. Its totient is φ = 393069862944.

The previous prime is 1375744520461. The next prime is 1375744520509. The reversal of 1375744520472 is 2740254475731.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4094477572 + ... + 4094477907.

It is an arithmetic number, because the mean of its divisors is an integer number (122834332200).

Almost surely, 2^{1375744520472} is an apocalyptic number.

1375744520472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1375744520472 is an abundant number, since it is smaller than the sum of its proper divisors (2554954109928).

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

1375744520472 is a wasteful number, since it uses less digits than its factorization.

1375744520472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8188955495 (or 8188955491 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 51.

The spelling of 1375744520472 in words is "one trillion, three hundred seventy-five billion, seven hundred forty-four million, five hundred twenty thousand, four hundred seventy-two".