11012023311 has 16 divisors (see below), whose sum is σ = 14862204000. Its totient is φ = 7251757568.

The previous prime is 11012023307. The next prime is 11012023339. The reversal of 11012023311 is 11332021011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11012023311 - 2² = 11012023307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012023111) 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, 260425 + ... + 299741.

It is an arithmetic number, because the mean of its divisors is an integer number (928887750).

Almost surely, 2^11012023311 is an apocalyptic number.

11012023311 is a deficient number, since it is larger than the sum of its proper divisors (3850180689).

11012023311 is a wasteful number, since it uses less digits than its factorization.

11012023311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40458.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11012023311 its reverse (11332021011), we get a palindrome (22344044322).

The spelling of 11012023311 in words is "eleven billion, twelve million, twenty-three thousand, three hundred eleven".