7455564103681 has 4 divisors (see below), whose sum is σ = 7478088466864. Its totient is φ = 7433039740500.

The previous prime is 7455564103657. The next prime is 7455564103693. The reversal of 7455564103681 is 1863014655547.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7455564103681 - 2²⁵ = 7455530549249 is a prime.

It is a super-2 number, since 2×7455564103681² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7455564103081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11262181095 + ... + 11262181756.

It is an arithmetic number, because the mean of its divisors is an integer number (1869522116716).

It is a Proth number, since it is equal to 1777545 ⋅ 2²² + 1 and 1777545 < 2²².

Almost surely, 2^{7455564103681} is an apocalyptic number.

It is an amenable number.

7455564103681 is a deficient number, since it is larger than the sum of its proper divisors (22524363183).

7455564103681 is a wasteful number, since it uses less digits than its factorization.

7455564103681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22524363182.

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 7455564103681 in words is "seven trillion, four hundred fifty-five billion, five hundred sixty-four million, one hundred three thousand, six hundred eighty-one".