425021101055 has 4 divisors (see below), whose sum is σ = 510025321272. Its totient is φ = 340016880840.

The previous prime is 425021101033. The next prime is 425021101091. The reversal of 425021101055 is 550101120524.

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

It is not a de Polignac number, because 425021101055 - 2²² = 425016906751 is a prime.

It is a super-2 number, since 2×425021101055² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42502110101 + ... + 42502110110.

It is an arithmetic number, because the mean of its divisors is an integer number (127506330318).

Almost surely, 2^425021101055 is an apocalyptic number.

425021101055 is a deficient number, since it is larger than the sum of its proper divisors (85004220217).

425021101055 is an equidigital number, since it uses as much as digits as its factorization.

425021101055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85004220216.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 425021101055 its reverse (550101120524), we get a palindrome (975122221579).

The spelling of 425021101055 in words is "four hundred twenty-five billion, twenty-one million, one hundred one thousand, fifty-five".