151553232500 has 60 divisors (see below), whose sum is σ = 331937149236. Its totient is φ = 60526080000.

The previous prime is 151553232469. The next prime is 151553232533. The reversal of 151553232500 is 5232355151.

It can be written as a sum of positive squares in 10 ways, for example, as 34963764196 + 116589468304 = 186986^2 + 341452^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1555214 + ... + 1649786.

Almost surely, 2^151553232500 is an apocalyptic number.

151553232500 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 151553232500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165968574618).

151553232500 is an abundant number, since it is smaller than the sum of its proper divisors (180383916736).

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

151553232500 is an equidigital number, since it uses as much as digits as its factorization.

151553232500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95238 (or 95221 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

Adding to 151553232500 its reverse (5232355151), we get a palindrome (156785587651).

The spelling of 151553232500 in words is "one hundred fifty-one billion, five hundred fifty-three million, two hundred thirty-two thousand, five hundred".