7265618541 has 8 divisors (see below), whose sum is σ = 10763879360. Its totient is φ = 4843745676.

The previous prime is 7265618513. The next prime is 7265618551. The reversal of 7265618541 is 1458165627.

7265618541 is a `hidden beast` number, since 7 + 2 + 6 + 561 + 85 + 4 + 1 = 666.

It is not a de Polignac number, because 7265618541 - 2⁵ = 7265618509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7265618551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134548465 + ... + 134548518.

It is an arithmetic number, because the mean of its divisors is an integer number (1345484920).

Almost surely, 2^7265618541 is an apocalyptic number.

It is an amenable number.

7265618541 is a deficient number, since it is larger than the sum of its proper divisors (3498260819).

7265618541 is a wasteful number, since it uses less digits than its factorization.

7265618541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269096992 (or 269096986 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 7265618541 is about 85238.5977184045. The cubic root of 7265618541 is about 1936.8271498147.

The spelling of 7265618541 in words is "seven billion, two hundred sixty-five million, six hundred eighteen thousand, five hundred forty-one".