79199111111002 has 4 divisors (see below), whose sum is σ = 118798666666506. Its totient is φ = 39599555555500.

The previous prime is 79199111110979. The next prime is 79199111111011. The reversal of 79199111111002 is 20011111199197.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 79198804195641 + 306915361 = 8899371^2 + 17519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 79199111111002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19799777777749 + ... + 19799777777752.

Almost surely, 2^{79199111111002} is an apocalyptic number.

79199111111002 is a deficient number, since it is larger than the sum of its proper divisors (39599555555504).

79199111111002 is a wasteful number, since it uses less digits than its factorization.

79199111111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39599555555503.

The product of its (nonzero) digits is 10206, while the sum is 43.

The spelling of 79199111111002 in words is "seventy-nine trillion, one hundred ninety-nine billion, one hundred eleven million, one hundred eleven thousand, two".