11428951080251 has 4 divisors (see below), whose sum is σ = 11428968825504. Its totient is φ = 11428933335000.

The previous prime is 11428951080247. The next prime is 11428951080329. The reversal of 11428951080251 is 15208015982411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11428951080251 - 2² = 11428951080247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11428951080196 and 11428951080205.

It is not an unprimeable number, because it can be changed into a prime (11428951080551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7868675 + ... + 9207276.

It is an arithmetic number, because the mean of its divisors is an integer number (2857242206376).

Almost surely, 2^{11428951080251} is an apocalyptic number.

11428951080251 is a deficient number, since it is larger than the sum of its proper divisors (17745253).

11428951080251 is an equidigital number, since it uses as much as digits as its factorization.

11428951080251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17745252.

The product of its (nonzero) digits is 230400, while the sum is 47.

The spelling of 11428951080251 in words is "eleven trillion, four hundred twenty-eight billion, nine hundred fifty-one million, eighty thousand, two hundred fifty-one".