425881786155 has 64 divisors (see below), whose sum is σ = 797138039808. Its totient is φ = 190096220160.

The previous prime is 425881786103. The next prime is 425881786159. The reversal of 425881786155 is 551687188524.

It is not a de Polignac number, because 425881786155 - 2⁸ = 425881785899 is a prime.

It is a super-3 number, since 3×425881786155³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (425881786159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14690875 + ... + 14719835.

It is an arithmetic number, because the mean of its divisors is an integer number (12455281872).

Almost surely, 2^425881786155 is an apocalyptic number.

425881786155 is a deficient number, since it is larger than the sum of its proper divisors (371256253653).

425881786155 is a wasteful number, since it uses less digits than its factorization.

425881786155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32276.

The product of its digits is 21504000, while the sum is 60.

The spelling of 425881786155 in words is "four hundred twenty-five billion, eight hundred eighty-one million, seven hundred eighty-six thousand, one hundred fifty-five".