155352907500 has 360 divisors, whose sum is σ = 533691164160. Its totient is φ = 35053200000.

The previous prime is 155352907481. The next prime is 155352907511. The reversal of 155352907500 is 5709253551.

155352907500 is digitally balanced in base 2, 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 (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 29029825 + ... + 29035175.

It is an arithmetic number, because the mean of its divisors is an integer number (1482475456).

Almost surely, 2^155352907500 is an apocalyptic number.

155352907500 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 155352907500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266845582080).

155352907500 is an abundant number, since it is smaller than the sum of its proper divisors (378338256660).

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

155352907500 is a wasteful number, since it uses less digits than its factorization.

155352907500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471 (or 5447 counting only the distinct ones).

The product of its (nonzero) digits is 236250, while the sum is 42.

The spelling of 155352907500 in words is "one hundred fifty-five billion, three hundred fifty-two million, nine hundred seven thousand, five hundred".