2615825438985 has 32 divisors (see below), whose sum is σ = 4566153658752. Its totient is φ = 1268181985280.

The previous prime is 2615825438981. The next prime is 2615825439011. The reversal of 2615825438985 is 5898345285162.

It is not a de Polignac number, because 2615825438985 - 2² = 2615825438981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2615825438981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1581067 + ... + 2780543.

It is an arithmetic number, because the mean of its divisors is an integer number (142692301836).

Almost surely, 2^{2615825438985} is an apocalyptic number.

It is an amenable number.

2615825438985 is a deficient number, since it is larger than the sum of its proper divisors (1950328219767).

2615825438985 is a wasteful number, since it uses less digits than its factorization.

2615825438985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212713.

The product of its digits is 165888000, while the sum is 66.

The spelling of 2615825438985 in words is "two trillion, six hundred fifteen billion, eight hundred twenty-five million, four hundred thirty-eight thousand, nine hundred eighty-five".