425561113542 has 16 divisors (see below), whose sum is σ = 855399225600. Its totient is φ = 141140871432.

The previous prime is 425561113541. The next prime is 425561113619. The reversal of 425561113542 is 245311165524.

It is a super-2 number, since 2×425561113542² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425561113542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425561113541) 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 7 ways as a sum of consecutive naturals, for example, 178206978 + ... + 178209365.

It is an arithmetic number, because the mean of its divisors is an integer number (53462451600).

Almost surely, 2^425561113542 is an apocalyptic number.

425561113542 is an abundant number, since it is smaller than the sum of its proper divisors (429838112058).

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

425561113542 is a wasteful number, since it uses less digits than its factorization.

425561113542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356416547.

The product of its digits is 144000, while the sum is 39.

The spelling of 425561113542 in words is "four hundred twenty-five billion, five hundred sixty-one million, one hundred thirteen thousand, five hundred forty-two".