425551155524 has 24 divisors (see below), whose sum is σ = 812734776000. Its totient is φ = 193356406880.

The previous prime is 425551155509. The next prime is 425551155527.

It is a happy number.

425551155524 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (425551155527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1784984 + ... + 2009295.

It is an arithmetic number, because the mean of its divisors is an integer number (33863949000).

Almost surely, 2^425551155524 is an apocalyptic number.

425551155524 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

425551155524 is a deficient number, since it is larger than the sum of its proper divisors (387183620476).

425551155524 is a wasteful number, since it uses less digits than its factorization.

425551155524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796843 (or 3796841 counting only the distinct ones).

The product of its digits is 1000000, while the sum is 44.

The spelling of 425551155524 in words is "four hundred twenty-five billion, five hundred fifty-one million, one hundred fifty-five thousand, five hundred twenty-four".