2115790619906 has 16 divisors (see below), whose sum is σ = 3296882953728. Its totient is φ = 1017556461600.

The previous prime is 2115790619881. The next prime is 2115790619963. The reversal of 2115790619906 is 6099160975112.

It is a super-3 number, since 3×2115790619906³ (a number of 38 digits) contains 333 as substring.

It is a Curzon number.

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, 181700690 + ... + 181712333.

It is an arithmetic number, because the mean of its divisors is an integer number (206055184608).

Almost surely, 2^{2115790619906} is an apocalyptic number.

2115790619906 is a deficient number, since it is larger than the sum of its proper divisors (1181092333822).

2115790619906 is a wasteful number, since it uses less digits than its factorization.

2115790619906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363413137.

The product of its (nonzero) digits is 1837080, while the sum is 56.

The spelling of 2115790619906 in words is "two trillion, one hundred fifteen billion, seven hundred ninety million, six hundred nineteen thousand, nine hundred six".