425505510055079 has 4 divisors (see below), whose sum is σ = 425513694321840. Its totient is φ = 425497325788320.

The previous prime is 425505510055063. The next prime is 425505510055097. The reversal of 425505510055079 is 970550015505524.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 425505510055079 - 2⁴ = 425505510055063 is a prime.

It is a super-2 number, since 2×425505510055079² (a number of 30 digits) contains 22 as substring.

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 425505510055079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425505510055009) 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, 4092055394 + ... + 4092159375.

It is an arithmetic number, because the mean of its divisors is an integer number (106378423580460).

Almost surely, 2^{425505510055079} is an apocalyptic number.

425505510055079 is a deficient number, since it is larger than the sum of its proper divisors (8184266761).

425505510055079 is an equidigital number, since it uses as much as digits as its factorization.

425505510055079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8184266760.

The product of its (nonzero) digits is 7875000, while the sum is 53.

The spelling of 425505510055079 in words is "four hundred twenty-five trillion, five hundred five billion, five hundred ten million, fifty-five thousand, seventy-nine".