55112650898911 has 2 divisors, whose sum is σ = 55112650898912. Its totient is φ = 55112650898910.

The previous prime is 55112650898873. The next prime is 55112650898917. The reversal of 55112650898911 is 11989805621155.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55112650898911 - 2³¹ = 55110503415263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55112650898911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55112650898917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27556325449455 + 27556325449456.

It is an arithmetic number, because the mean of its divisors is an integer number (27556325449456).

Almost surely, 2^{55112650898911} is an apocalyptic number.

55112650898911 is a deficient number, since it is larger than the sum of its proper divisors (1).

55112650898911 is an equidigital number, since it uses as much as digits as its factorization.

55112650898911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776000, while the sum is 61.

The spelling of 55112650898911 in words is "fifty-five trillion, one hundred twelve billion, six hundred fifty million, eight hundred ninety-eight thousand, nine hundred eleven".