11081376451 has 2 divisors, whose sum is σ = 11081376452. Its totient is φ = 11081376450.

The previous prime is 11081376431. The next prime is 11081376463. The reversal of 11081376451 is 15467318011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11081376451 - 2⁵ = 11081376419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11081376451.

It is not a weakly prime, because it can be changed into another prime (11081376431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5540688225 + 5540688226.

It is an arithmetic number, because the mean of its divisors is an integer number (5540688226).

Almost surely, 2^11081376451 is an apocalyptic number.

11081376451 is a deficient number, since it is larger than the sum of its proper divisors (1).

11081376451 is an equidigital number, since it uses as much as digits as its factorization.

11081376451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 11081376451 in words is "eleven billion, eighty-one million, three hundred seventy-six thousand, four hundred fifty-one".