1375297270461 has 32 divisors (see below), whose sum is σ = 2137421779200. Its totient is φ = 872780489280.

The previous prime is 1375297270411. The next prime is 1375297270481. The reversal of 1375297270461 is 1640727925731.

1375297270461 is a `hidden beast` number, since 1 + 3 + 7 + 529 + 7 + 2 + 70 + 46 + 1 = 666.

It is not a de Polignac number, because 1375297270461 - 2⁹ = 1375297269949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1375297270398 and 1375297270407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375297270411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12313746 + ... + 12424931.

It is an arithmetic number, because the mean of its divisors is an integer number (66794430600).

Almost surely, 2^{1375297270461} is an apocalyptic number.

It is an amenable number.

1375297270461 is a deficient number, since it is larger than the sum of its proper divisors (762124508739).

1375297270461 is a wasteful number, since it uses less digits than its factorization.

1375297270461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24738786 (or 24738780 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 1375297270461 in words is "one trillion, three hundred seventy-five billion, two hundred ninety-seven million, two hundred seventy thousand, four hundred sixty-one".