11100001199951 has 2 divisors, whose sum is σ = 11100001199952. Its totient is φ = 11100001199950.

The previous prime is 11100001199909. The next prime is 11100001200019. The reversal of 11100001199951 is 15999110000111.

11100001199951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11100001199951 - 2¹⁴ = 11100001183567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100001129951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550000599975 + 5550000599976.

It is an arithmetic number, because the mean of its divisors is an integer number (5550000599976).

Almost surely, 2^{11100001199951} is an apocalyptic number.

11100001199951 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100001199951 is an equidigital number, since it uses as much as digits as its factorization.

11100001199951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645, while the sum is 38.

The spelling of 11100001199951 in words is "eleven trillion, one hundred billion, one million, one hundred ninety-nine thousand, nine hundred fifty-one".