155961370922 has 8 divisors (see below), whose sum is σ = 267362350176. Its totient is φ = 66840587532.

The previous prime is 155961370921. The next prime is 155961370937. The reversal of 155961370922 is 229073169551.

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

It is not an unprimeable number, because it can be changed into a prime (155961370921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5570048948 + ... + 5570048975.

It is an arithmetic number, because the mean of its divisors is an integer number (33420293772).

Almost surely, 2^155961370922 is an apocalyptic number.

155961370922 is a deficient number, since it is larger than the sum of its proper divisors (111400979254).

155961370922 is a wasteful number, since it uses less digits than its factorization.

155961370922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11140097932.

The product of its (nonzero) digits is 1020600, while the sum is 50.

The spelling of 155961370922 in words is "one hundred fifty-five billion, nine hundred sixty-one million, three hundred seventy thousand, nine hundred twenty-two".