155011013712 has 320 divisors, whose sum is σ = 467002609920. Its totient is φ = 49185792000.

The previous prime is 155011013683. The next prime is 155011013713. The reversal of 155011013712 is 217310110551.

155011013712 is a `hidden beast` number, since 1 + 5 + 501 + 10 + 137 + 12 = 666.

155011013712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155011013713) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 130589983 + ... + 130591169.

It is an arithmetic number, because the mean of its divisors is an integer number (1459383156).

Almost surely, 2^155011013712 is an apocalyptic number.

155011013712 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 155011013712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233501304960).

155011013712 is an abundant number, since it is smaller than the sum of its proper divisors (311991596208).

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

155011013712 is a wasteful number, since it uses less digits than its factorization.

155011013712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419 (or 1407 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 27.

The spelling of 155011013712 in words is "one hundred fifty-five billion, eleven million, thirteen thousand, seven hundred twelve".