1373545165507 has 24 divisors (see below), whose sum is σ = 1441263746160. Its totient is φ = 1308035963520.

The previous prime is 1373545165501. The next prime is 1373545165537. The reversal of 1373545165507 is 7055615453731.

It is not a de Polignac number, because 1373545165507 - 2⁷ = 1373545165379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1373545165501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43532157 + ... + 43563697.

It is an arithmetic number, because the mean of its divisors is an integer number (60052656090).

Almost surely, 2^{1373545165507} is an apocalyptic number.

1373545165507 is a deficient number, since it is larger than the sum of its proper divisors (67718580653).

1373545165507 is an equidigital number, since it uses as much as digits as its factorization.

1373545165507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32103 (or 32050 counting only the distinct ones).

The product of its (nonzero) digits is 6615000, while the sum is 52.

The spelling of 1373545165507 in words is "one trillion, three hundred seventy-three billion, five hundred forty-five million, one hundred sixty-five thousand, five hundred seven".