11101013512 has 8 divisors (see below), whose sum is σ = 20814400350. Its totient is φ = 5550506752.

The previous prime is 11101013509. The next prime is 11101013527. The reversal of 11101013512 is 21531010111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10562495076 + 538518436 = 102774^2 + 23206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693813337 + ... + 693813352.

Almost surely, 2^11101013512 is an apocalyptic number.

It is an amenable number.

11101013512 is a deficient number, since it is larger than the sum of its proper divisors (9713386838).

11101013512 is a wasteful number, since it uses less digits than its factorization.

11101013512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387626695 (or 1387626691 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 11101013512 its reverse (21531010111), we get a palindrome (32632023623).

The spelling of 11101013512 in words is "eleven billion, one hundred one million, thirteen thousand, five hundred twelve".