2015215711410 has 128 divisors (see below), whose sum is σ = 5393391796224. Its totient is φ = 477705186560.

The previous prime is 2015215711387. The next prime is 2015215711417. The reversal of 2015215711410 is 141175125102.

It is a super-2 number, since 2×2015215711410² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2015215711417) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17048632 + ... + 17166428.

It is an arithmetic number, because the mean of its divisors is an integer number (42135873408).

Almost surely, 2^{2015215711410} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2015215711410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2696695898112).

2015215711410 is an abundant number, since it is smaller than the sum of its proper divisors (3378176084814).

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

2015215711410 is a wasteful number, since it uses less digits than its factorization.

2015215711410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118968.

The product of its (nonzero) digits is 2800, while the sum is 30.

The spelling of 2015215711410 in words is "two trillion, fifteen billion, two hundred fifteen million, seven hundred eleven thousand, four hundred ten".