11011902989951 has 2 divisors, whose sum is σ = 11011902989952. Its totient is φ = 11011902989950.

The previous prime is 11011902989831. The next prime is 11011902990019. The reversal of 11011902989951 is 15998920911011.

11011902989951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011902989951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011902988951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505951494975 + 5505951494976.

It is an arithmetic number, because the mean of its divisors is an integer number (5505951494976).

Almost surely, 2^{11011902989951} is an apocalyptic number.

11011902989951 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011902989951 is an equidigital number, since it uses as much as digits as its factorization.

11011902989951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 56.

The spelling of 11011902989951 in words is "eleven trillion, eleven billion, nine hundred two million, nine hundred eighty-nine thousand, nine hundred fifty-one".