11110155551123 has 2 divisors, whose sum is σ = 11110155551124. Its totient is φ = 11110155551122.

The previous prime is 11110155551051. The next prime is 11110155551129. The reversal of 11110155551123 is 32115555101111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11110155551123 - 2¹⁶ = 11110155485587 is a prime.

It is a super-2 number, since 2×11110155551123² (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 11110155551123.

It is not a weakly prime, because it can be changed into another prime (11110155551129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555077775561 + 5555077775562.

It is an arithmetic number, because the mean of its divisors is an integer number (5555077775562).

Almost surely, 2^{11110155551123} is an apocalyptic number.

11110155551123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110155551123 is an equidigital number, since it uses as much as digits as its factorization.

11110155551123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3750, while the sum is 32.

The spelling of 11110155551123 in words is "eleven trillion, one hundred ten billion, one hundred fifty-five million, five hundred fifty-one thousand, one hundred twenty-three".