11051113487 has 2 divisors, whose sum is σ = 11051113488. Its totient is φ = 11051113486.

The previous prime is 11051113481. The next prime is 11051113501. The reversal of 11051113487 is 78431115011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11051113487 - 2⁸ = 11051113231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11051113481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525556743 + 5525556744.

It is an arithmetic number, because the mean of its divisors is an integer number (5525556744).

Almost surely, 2^11051113487 is an apocalyptic number.

11051113487 is a deficient number, since it is larger than the sum of its proper divisors (1).

11051113487 is an equidigital number, since it uses as much as digits as its factorization.

11051113487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 32.

Adding to 11051113487 its reverse (78431115011), we get a palindrome (89482228498).

The spelling of 11051113487 in words is "eleven billion, fifty-one million, one hundred thirteen thousand, four hundred eighty-seven".