2115819599642 has 16 divisors (see below), whose sum is σ = 3642958268160. Its totient is φ = 902820089808.

The previous prime is 2115819599639. The next prime is 2115819599783. The reversal of 2115819599642 is 2469959185112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329974898 + ... + 329981309.

It is an arithmetic number, because the mean of its divisors is an integer number (227684891760).

Almost surely, 2^{2115819599642} is an apocalyptic number.

2115819599642 is a deficient number, since it is larger than the sum of its proper divisors (1527138668518).

2115819599642 is a wasteful number, since it uses less digits than its factorization.

2115819599642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659956445.

The product of its digits is 13996800, while the sum is 62.

The spelling of 2115819599642 in words is "two trillion, one hundred fifteen billion, eight hundred nineteen million, five hundred ninety-nine thousand, six hundred forty-two".