425435121555534 has 12 divisors (see below), whose sum is σ = 921776096703696. Its totient is φ = 141811707185172.

The previous prime is 425435121555401. The next prime is 425435121555629. The reversal of 425435121555534 is 435555121534524.

It is a happy number.

425435121555534 is a `hidden beast` number, since 4 + 2 + 5 + 4 + 3 + 51 + 2 + 1 + 5 + 55 + 534 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11817642265414 + ... + 11817642265449.

It is an arithmetic number, because the mean of its divisors is an integer number (76814674725308).

Almost surely, 2^{425435121555534} is an apocalyptic number.

425435121555534 is an abundant number, since it is smaller than the sum of its proper divisors (496340975148162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425435121555534 is a wasteful number, since it uses less digits than its factorization.

425435121555534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23635284530871 (or 23635284530868 counting only the distinct ones).

The product of its digits is 36000000, while the sum is 54.

The spelling of 425435121555534 in words is "four hundred twenty-five trillion, four hundred thirty-five billion, one hundred twenty-one million, five hundred fifty-five thousand, five hundred thirty-four".