11051151205 has 12 divisors (see below), whose sum is σ = 13863035340. Its totient is φ = 8456531072.

The previous prime is 11051151161. The next prime is 11051151229. The reversal of 11051151205 is 50215115011.

It can be written as a sum of positive squares in 2 ways, for example, as 4263698209 + 6787452996 = 65297^2 + 82386^2 .

It is not a de Polignac number, because 11051151205 - 2⁷ = 11051151077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2086420 + ... + 2091709.

It is an arithmetic number, because the mean of its divisors is an integer number (1155252945).

Almost surely, 2^11051151205 is an apocalyptic number.

It is an amenable number.

11051151205 is a deficient number, since it is larger than the sum of its proper divisors (2811884135).

11051151205 is an equidigital number, since it uses as much as digits as its factorization.

11051151205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4178180 (or 4178157 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 22.

Adding to 11051151205 its reverse (50215115011), we get a palindrome (61266266216).

The spelling of 11051151205 in words is "eleven billion, fifty-one million, one hundred fifty-one thousand, two hundred five".