11511035053 has 16 divisors (see below), whose sum is σ = 13951142784. Its totient is φ = 9271664640.

The previous prime is 11511034999. The next prime is 11511035057. The reversal of 11511035053 is 35053011511.

It is a happy number.

It is not a de Polignac number, because 11511035053 - 2⁹ = 11511034541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11511035057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826 + ... + 151732.

It is an arithmetic number, because the mean of its divisors is an integer number (871946424).

Almost surely, 2^11511035053 is an apocalyptic number.

It is an amenable number.

11511035053 is a deficient number, since it is larger than the sum of its proper divisors (2440107731).

11511035053 is a wasteful number, since it uses less digits than its factorization.

11511035053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151572.

The product of its (nonzero) digits is 1125, while the sum is 25.

Adding to 11511035053 its reverse (35053011511), we get a palindrome (46564046564).

The spelling of 11511035053 in words is "eleven billion, five hundred eleven million, thirty-five thousand, fifty-three".