11050505099951 has 2 divisors, whose sum is σ = 11050505099952. Its totient is φ = 11050505099950.

The previous prime is 11050505099941. The next prime is 11050505100059. The reversal of 11050505099951 is 15999050505011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11050505099951 is a prime.

It is a super-2 number, since 2×11050505099951² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11050505099951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11050505099941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525252549975 + 5525252549976.

It is an arithmetic number, because the mean of its divisors is an integer number (5525252549976).

Almost surely, 2^{11050505099951} is an apocalyptic number.

11050505099951 is a deficient number, since it is larger than the sum of its proper divisors (1).

11050505099951 is an equidigital number, since it uses as much as digits as its factorization.

11050505099951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 455625, while the sum is 50.

The spelling of 11050505099951 in words is "eleven trillion, fifty billion, five hundred five million, ninety-nine thousand, nine hundred fifty-one".