155825967422 has 8 divisors (see below), whose sum is σ = 234476298936. Its totient is φ = 77667201112.

The previous prime is 155825967373. The next prime is 155825967439. The reversal of 155825967422 is 224769528551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122890508 + ... + 122891775.

It is an arithmetic number, because the mean of its divisors is an integer number (29309537367).

Almost surely, 2^155825967422 is an apocalyptic number.

155825967422 is a deficient number, since it is larger than the sum of its proper divisors (78650331514).

155825967422 is a wasteful number, since it uses less digits than its factorization.

155825967422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245782602.

The product of its digits is 12096000, while the sum is 56.

The spelling of 155825967422 in words is "one hundred fifty-five billion, eight hundred twenty-five million, nine hundred sixty-seven thousand, four hundred twenty-two".