11013512535 has 24 divisors (see below), whose sum is σ = 19187007840. Its totient is φ = 5844052032.

The previous prime is 11013512513. The next prime is 11013512551. The reversal of 11013512535 is 53521531011.

11013512535 is a `hidden beast` number, since 110 + 1 + 3 + 5 + 12 + 535 = 666.

It is not a de Polignac number, because 11013512535 - 2¹⁶ = 11013446999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11013512499 and 11013512508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 612315 + ... + 630044.

It is an arithmetic number, because the mean of its divisors is an integer number (799458660).

Almost surely, 2^11013512535 is an apocalyptic number.

11013512535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11013512535 is a deficient number, since it is larger than the sum of its proper divisors (8173495305).

11013512535 is a wasteful number, since it uses less digits than its factorization.

11013512535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242567 (or 1242564 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The spelling of 11013512535 in words is "eleven billion, thirteen million, five hundred twelve thousand, five hundred thirty-five".