155523355522 has 16 divisors (see below), whose sum is σ = 234633464640. Its totient is φ = 77313389328.

The previous prime is 155523355501. The next prime is 155523355531. The reversal of 155523355522 is 225553325551.

It is a super-2 number, since 2×155523355522² (a number of 23 digits) contains 22 as substring.

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, 34788 + ... + 558799.

It is an arithmetic number, because the mean of its divisors is an integer number (14664591540).

Almost surely, 2^155523355522 is an apocalyptic number.

155523355522 is a deficient number, since it is larger than the sum of its proper divisors (79110109118).

155523355522 is a wasteful number, since it uses less digits than its factorization.

155523355522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594345.

The product of its digits is 1125000, while the sum is 43.

The spelling of 155523355522 in words is "one hundred fifty-five billion, five hundred twenty-three million, three hundred fifty-five thousand, five hundred twenty-two".