155323498104 has 128 divisors (see below), whose sum is σ = 434365243200. Its totient is φ = 51426385920.

The previous prime is 155323498073. The next prime is 155323498111. The reversal of 155323498104 is 401894323551.

155323498104 is a `hidden beast` number, since 1 + 5 + 53 + 2 + 3 + 498 + 104 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 155323498104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19805224 + ... + 19813064.

Almost surely, 2^155323498104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155323498104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217182621600).

155323498104 is an abundant number, since it is smaller than the sum of its proper divisors (279041745096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155323498104 is a wasteful number, since it uses less digits than its factorization.

155323498104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8462 (or 8452 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 155323498104 in words is "one hundred fifty-five billion, three hundred twenty-three million, four hundred ninety-eight thousand, one hundred four".