7265165266542 has 128 divisors (see below), whose sum is σ = 14942237184000. Its totient is φ = 2354358988800.

The previous prime is 7265165266501. The next prime is 7265165266561. The reversal of 7265165266542 is 2456625615627.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8659314559 + ... + 8659315397.

It is an arithmetic number, because the mean of its divisors is an integer number (116736228000).

Almost surely, 2^{7265165266542} is an apocalyptic number.

7265165266542 is an abundant number, since it is smaller than the sum of its proper divisors (7677071917458).

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

7265165266542 is a wasteful number, since it uses less digits than its factorization.

7265165266542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906.

The product of its digits is 36288000, while the sum is 57.

The spelling of 7265165266542 in words is "seven trillion, two hundred sixty-five billion, one hundred sixty-five million, two hundred sixty-six thousand, five hundred forty-two".