7899010001111 has 8 divisors (see below), whose sum is σ = 7934148008784. Its totient is φ = 7863922883520.

The previous prime is 7899010001107. The next prime is 7899010001147. The reversal of 7899010001111 is 1111000109987.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7899010001111 - 2² = 7899010001107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7899010001011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12411380 + ... + 13032281.

It is an arithmetic number, because the mean of its divisors is an integer number (991768501098).

Almost surely, 2^{7899010001111} is an apocalyptic number.

7899010001111 is a deficient number, since it is larger than the sum of its proper divisors (35138007673).

7899010001111 is a wasteful number, since it uses less digits than its factorization.

7899010001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25445041.

The product of its (nonzero) digits is 4536, while the sum is 38.

The spelling of 7899010001111 in words is "seven trillion, eight hundred ninety-nine billion, ten million, one thousand, one hundred eleven".