7652855265561 has 48 divisors (see below), whose sum is σ = 12067654959360. Its totient is φ = 4634784000000.

The previous prime is 7652855265547. The next prime is 7652855265637. The reversal of 7652855265561 is 1655625582567.

7652855265561 is a `hidden beast` number, since 7 + 6 + 5 + 2 + 8 + 5 + 5 + 2 + 65 + 561 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-7652855265561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7652855265511) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1594010361 + ... + 1594015161.

It is an arithmetic number, because the mean of its divisors is an integer number (251409478320).

Almost surely, 2^{7652855265561} is an apocalyptic number.

It is an amenable number.

7652855265561 is a deficient number, since it is larger than the sum of its proper divisors (4414799693799).

7652855265561 is a wasteful number, since it uses less digits than its factorization.

7652855265561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12958 (or 12955 counting only the distinct ones).

The product of its digits is 151200000, while the sum is 63.

The spelling of 7652855265561 in words is "seven trillion, six hundred fifty-two billion, eight hundred fifty-five million, two hundred sixty-five thousand, five hundred sixty-one".