72412060777553 has 4 divisors (see below), whose sum is σ = 82756640888640. Its totient is φ = 62067480666468.

The previous prime is 72412060777531. The next prime is 72412060777559. The reversal of 72412060777553 is 35577706021427.

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 72412060777553 - 2²² = 72412056583249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72412060777559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5172290055533 + ... + 5172290055546.

It is an arithmetic number, because the mean of its divisors is an integer number (20689160222160).

Almost surely, 2^{72412060777553} is an apocalyptic number.

It is an amenable number.

72412060777553 is a deficient number, since it is larger than the sum of its proper divisors (10344580111087).

72412060777553 is a wasteful number, since it uses less digits than its factorization.

72412060777553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10344580111086.

The product of its (nonzero) digits is 17287200, while the sum is 56.

The spelling of 72412060777553 in words is "seventy-two trillion, four hundred twelve billion, sixty million, seven hundred seventy-seven thousand, five hundred fifty-three".