155736000000 has 1120 divisors, whose sum is σ = 664941488640. Its totient is φ = 35251200000.

The previous prime is 155735999983. The next prime is 155736000023. The reversal of 155736000000 is 637551.

155736000000 is a `hidden beast` number, since 1 + 5 + 57 + 3 + 600 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1120).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1511999949 + ... + 1512000051.

Almost surely, 2^155736000000 is an apocalyptic number.

155736000000 is a gapful number since it is divisible by the number (10) 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 155736000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332470744320).

155736000000 is an abundant number, since it is smaller than the sum of its proper divisors (509205488640).

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

155736000000 is an frugal number, since it uses more digits than its factorization.

155736000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

Adding to 155736000000 its reverse (637551), we get a palindrome (155736637551).

The spelling of 155736000000 in words is "one hundred fifty-five billion, seven hundred thirty-six million", and thus it is an aban number.