16115615000 has 80 divisors (see below), whose sum is σ = 37808991000. Its totient is φ = 6437696000.

The previous prime is 16115614987. The next prime is 16115615029. The reversal of 16115615000 is 51651161.

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, 4883351 + ... + 4886649.

Almost surely, 2^16115615000 is an apocalyptic number.

16115615000 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 16115615000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18904495500).

16115615000 is an abundant number, since it is smaller than the sum of its proper divisors (21693376000).

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

16115615000 is an equidigital number, since it uses as much as digits as its factorization.

16115615000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302 (or 4283 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 16115615000 in words is "sixteen billion, one hundred fifteen million, six hundred fifteen thousand".