155132512000 has 72 divisors (see below), whose sum is σ = 386454558672. Its totient is φ = 62052992000.

The previous prime is 155132511997. The next prime is 155132512001. The reversal of 155132512000 is 215231551.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155132512001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2391946 + ... + 2455945.

It is an arithmetic number, because the mean of its divisors is an integer number (5367424426).

Almost surely, 2^155132512000 is an apocalyptic number.

155132512000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155132512000 is an abundant number, since it is smaller than the sum of its proper divisors (231322046672).

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

155132512000 is an frugal number, since it uses more digits than its factorization.

155132512000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847922 (or 4847898 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 155132512000 its reverse (215231551), we get a palindrome (155347743551).

The spelling of 155132512000 in words is "one hundred fifty-five billion, one hundred thirty-two million, five hundred twelve thousand".