1515140000 has 240 divisors, whose sum is σ = 4166116416. Its totient is φ = 537600000.

The previous prime is 1515139993. The next prime is 1515140023. The reversal of 1515140000 is 415151.

It is a zygodrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15619952 + ... + 15620048.

Almost surely, 2^1515140000 is an apocalyptic number.

1515140000 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 1515140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2083058208).

1515140000 is an abundant number, since it is smaller than the sum of its proper divisors (2650976416).

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

1515140000 is an equidigital number, since it uses as much as digits as its factorization.

1515140000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 1515140000 is about 38924.7992929957. The cubic root of 1515140000 is about 1148.5526846229.

Adding to 1515140000 its reverse (415151), we get a palindrome (1515555151).

The spelling of 1515140000 in words is "one billion, five hundred fifteen million, one hundred forty thousand".