11013531501 has 24 divisors (see below), whose sum is σ = 17096709504. Its totient is φ = 6288105600.

The previous prime is 11013531467. The next prime is 11013531527. The reversal of 11013531501 is 10513531011.

11013531501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11013531501 - 2⁶ = 11013531437 is a prime.

It is a super-2 number, since 2×11013531501² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013531401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145356 + ... + 207738.

It is an arithmetic number, because the mean of its divisors is an integer number (712362896).

Almost surely, 2^11013531501 is an apocalyptic number.

It is an amenable number.

11013531501 is a deficient number, since it is larger than the sum of its proper divisors (6083178003).

11013531501 is a wasteful number, since it uses less digits than its factorization.

11013531501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63601 (or 63594 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 21.

The spelling of 11013531501 in words is "eleven billion, thirteen million, five hundred thirty-one thousand, five hundred one".