425561105511 has 6 divisors (see below), whose sum is σ = 614699374640. Its totient is φ = 283707403668.

The previous prime is 425561105479. The next prime is 425561105533. The reversal of 425561105511 is 115501165524.

425561105511 is a `hidden beast` number, since 4 + 25 + 5 + 6 + 110 + 5 + 511 = 666.

It is not a de Polignac number, because 425561105511 - 2⁵ = 425561105479 is a prime.

It is a super-2 number, since 2×425561105511² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425561105551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23642283631 + ... + 23642283648.

Almost surely, 2^425561105511 is an apocalyptic number.

425561105511 is a deficient number, since it is larger than the sum of its proper divisors (189138269129).

425561105511 is a wasteful number, since it uses less digits than its factorization.

425561105511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47284567285 (or 47284567282 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

The spelling of 425561105511 in words is "four hundred twenty-five billion, five hundred sixty-one million, one hundred five thousand, five hundred eleven".