2015402945722 has 64 divisors (see below), whose sum is σ = 3138654749184. Its totient is φ = 970056622080.

The previous prime is 2015402945707. The next prime is 2015402945723. The reversal of 2015402945722 is 2275492045102.

It is not an unprimeable number, because it can be changed into a prime (2015402945723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2114797998 + ... + 2114798950.

It is an arithmetic number, because the mean of its divisors is an integer number (49041480456).

Almost surely, 2^{2015402945722} is an apocalyptic number.

2015402945722 is a deficient number, since it is larger than the sum of its proper divisors (1123251803462).

2015402945722 is a wasteful number, since it uses less digits than its factorization.

2015402945722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 2015402945722 in words is "two trillion, fifteen billion, four hundred two million, nine hundred forty-five thousand, seven hundred twenty-two".