11051631620251 has 2 divisors, whose sum is σ = 11051631620252. Its totient is φ = 11051631620250.

The previous prime is 11051631620137. The next prime is 11051631620311. The reversal of 11051631620251 is 15202613615011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11051631620251 - 2⁷ = 11051631620123 is a prime.

It is a super-2 number, since 2×11051631620251² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11051631629251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525815810125 + 5525815810126.

It is an arithmetic number, because the mean of its divisors is an integer number (5525815810126).

Almost surely, 2^{11051631620251} is an apocalyptic number.

11051631620251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11051631620251 is an equidigital number, since it uses as much as digits as its factorization.

11051631620251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 11051631620251 in words is "eleven trillion, fifty-one billion, six hundred thirty-one million, six hundred twenty thousand, two hundred fifty-one".