155055165603104 has 96 divisors (see below), whose sum is σ = 339659197323264. Its totient is φ = 69192614384640.

The previous prime is 155055165603097. The next prime is 155055165603131. The reversal of 155055165603104 is 401306561550551.

It is a super-3 number, since 3×155055165603104³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8773922 + ... + 19674654.

It is an arithmetic number, because the mean of its divisors is an integer number (3538116638784).

Almost surely, 2^{155055165603104} 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 155055165603104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169829598661632).

155055165603104 is an abundant number, since it is smaller than the sum of its proper divisors (184604031720160).

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

155055165603104 is a wasteful number, since it uses less digits than its factorization.

155055165603104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10901890 (or 10901882 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 47.

The spelling of 155055165603104 in words is "one hundred fifty-five trillion, fifty-five billion, one hundred sixty-five million, six hundred three thousand, one hundred four".