79255561541 has 4 divisors (see below), whose sum is σ = 85352143212. Its totient is φ = 73158979872.

The previous prime is 79255561537. The next prime is 79255561549. The reversal of 79255561541 is 14516555297.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26927169025 + 52328392516 = 164095^2 + 228754^2 .

It is a cyclic number.

It is not a de Polignac number, because 79255561541 - 2² = 79255561537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79255561541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79255561549) 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 3 ways as a sum of consecutive naturals, for example, 3048290816 + ... + 3048290841.

It is an arithmetic number, because the mean of its divisors is an integer number (21338035803).

Almost surely, 2^79255561541 is an apocalyptic number.

It is an amenable number.

79255561541 is a deficient number, since it is larger than the sum of its proper divisors (6096581671).

79255561541 is a wasteful number, since it uses less digits than its factorization.

79255561541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6096581670.

The product of its digits is 1890000, while the sum is 50.

The spelling of 79255561541 in words is "seventy-nine billion, two hundred fifty-five million, five hundred sixty-one thousand, five hundred forty-one".