15151240000 has 140 divisors (see below), whose sum is σ = 40461551284. Its totient is φ = 5594112000.

The previous prime is 15151239991. The next prime is 15151240007. The reversal of 15151240000 is 4215151.

It can be written as a sum of positive squares in 10 ways, for example, as 10904371776 + 4246868224 = 104424^2 + 65168^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15151240000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15151240007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 505432 + ... + 534568.

Almost surely, 2^15151240000 is an apocalyptic number.

15151240000 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 15151240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20230775642).

15151240000 is an abundant number, since it is smaller than the sum of its proper divisors (25310311284).

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

15151240000 is an equidigital number, since it uses as much as digits as its factorization.

15151240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29182 (or 29157 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 15151240000 its reverse (4215151), we get a palindrome (15155455151).

The spelling of 15151240000 in words is "fifteen billion, one hundred fifty-one million, two hundred forty thousand".