7540007542865 has 16 divisors (see below), whose sum is σ = 10620056957952. Its totient is φ = 5030553294144.

The previous prime is 7540007542841. The next prime is 7540007542913. The reversal of 7540007542865 is 5682457000457.

It is not a de Polignac number, because 7540007542865 - 2⁸ = 7540007542609 is a prime.

It is a super-2 number, since 2×7540007542865² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2911198529 + ... + 2911201118.

It is an arithmetic number, because the mean of its divisors is an integer number (663753559872).

Almost surely, 2^{7540007542865} is an apocalyptic number.

It is an amenable number.

7540007542865 is a deficient number, since it is larger than the sum of its proper divisors (3080049415087).

7540007542865 is a wasteful number, since it uses less digits than its factorization.

7540007542865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5822399696.

The product of its (nonzero) digits is 9408000, while the sum is 53.

The spelling of 7540007542865 in words is "seven trillion, five hundred forty billion, seven million, five hundred forty-two thousand, eight hundred sixty-five".