1515121152 has 80 divisors (see below), whose sum is σ = 4044598272. Its totient is φ = 504012800.

The previous prime is 1515121147. The next prime is 1515121213. The reversal of 1515121152 is 2511215151.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315777 + ... + 1316927.

Almost surely, 2^1515121152 is an apocalyptic number.

1515121152 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 1515121152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2022299136).

1515121152 is an abundant number, since it is smaller than the sum of its proper divisors (2529477120).

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

1515121152 is an equidigital number, since it uses as much as digits as its factorization.

1515121152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029 (or 2013 counting only the distinct ones).

The product of its digits is 500, while the sum is 24.

The square root of 1515121152 is about 38924.5571843791. The cubic root of 1515121152 is about 1148.5479220244.

The spelling of 1515121152 in words is "one billion, five hundred fifteen million, one hundred twenty-one thousand, one hundred fifty-two".