2015623761005 has 16 divisors (see below), whose sum is σ = 2484572434560. Its totient is φ = 1568632266432.

The previous prime is 2015623760993. The next prime is 2015623761007. The reversal of 2015623761005 is 5001673265102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2015623761005 - 2¹⁴ = 2015623744621 is a prime.

It is a super-2 number, since 2×2015623761005² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2015623761005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015623761007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29576 + ... + 2008014.

It is an arithmetic number, because the mean of its divisors is an integer number (155285777160).

Almost surely, 2^{2015623761005} is an apocalyptic number.

It is an amenable number.

2015623761005 is a deficient number, since it is larger than the sum of its proper divisors (468948673555).

2015623761005 is a wasteful number, since it uses less digits than its factorization.

2015623761005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983988.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 2015623761005 in words is "two trillion, fifteen billion, six hundred twenty-three million, seven hundred sixty-one thousand, five".