155817741122 has 16 divisors (see below), whose sum is σ = 236020321152. Its totient is φ = 77147849280.

The previous prime is 155817741113. The next prime is 155817741133. The reversal of 155817741122 is 221147718551.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799079 + ... + 974762.

It is an arithmetic number, because the mean of its divisors is an integer number (14751270072).

Almost surely, 2^155817741122 is an apocalyptic number.

155817741122 is a deficient number, since it is larger than the sum of its proper divisors (80202580030).

155817741122 is a wasteful number, since it uses less digits than its factorization.

155817741122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774273.

The product of its digits is 156800, while the sum is 44.

The spelling of 155817741122 in words is "one hundred fifty-five billion, eight hundred seventeen million, seven hundred forty-one thousand, one hundred twenty-two".