11051161504 has 12 divisors (see below), whose sum is σ = 21756974274. Its totient is φ = 5525580736.

The previous prime is 11051161487. The next prime is 11051161519. The reversal of 11051161504 is 40516115011.

It can be written as a sum of positive squares in only one way, i.e., 10578533904 + 472627600 = 102852^2 + 21740^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172674367 + ... + 172674430.

Almost surely, 2^11051161504 is an apocalyptic number.

It is an amenable number.

11051161504 is a deficient number, since it is larger than the sum of its proper divisors (10705812770).

11051161504 is an equidigital number, since it uses as much as digits as its factorization.

11051161504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345348807 (or 345348799 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 25.

Adding to 11051161504 its reverse (40516115011), we get a palindrome (51567276515).

The spelling of 11051161504 in words is "eleven billion, fifty-one million, one hundred sixty-one thousand, five hundred four".