155000010912 has 144 divisors (see below), whose sum is σ = 422892271872. Its totient is φ = 49658019840.

The previous prime is 155000010889. The next prime is 155000010937. The reversal of 155000010912 is 219010000551.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73354368 + ... + 73356480.

It is an arithmetic number, because the mean of its divisors is an integer number (2936751888).

Almost surely, 2^155000010912 is an apocalyptic number.

155000010912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155000010912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211446135936).

155000010912 is an abundant number, since it is smaller than the sum of its proper divisors (267892260960).

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

155000010912 is a wasteful number, since it uses less digits than its factorization.

155000010912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471 (or 2306 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 24.

The spelling of 155000010912 in words is "one hundred fifty-five billion, ten thousand, nine hundred twelve".