15115300002 has 80 divisors (see below), whose sum is σ = 37294294752. Its totient is φ = 4537529280.

The previous prime is 15115299971. The next prime is 15115300003. The reversal of 15115300002 is 20000351151.

It is a super-2 number, since 2×15115300002² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (15115300003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 151038 + ... + 230310.

Almost surely, 2^15115300002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15115300002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18647147376).

15115300002 is an abundant number, since it is smaller than the sum of its proper divisors (22178994750).

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

15115300002 is a wasteful number, since it uses less digits than its factorization.

15115300002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79405 (or 79396 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

Adding to 15115300002 its reverse (20000351151), we get a palindrome (35115651153).

The spelling of 15115300002 in words is "fifteen billion, one hundred fifteen million, three hundred thousand, two".