11017539481 has 16 divisors (see below), whose sum is σ = 12494856640. Its totient is φ = 9630653760.

The previous prime is 11017539479. The next prime is 11017539499. The reversal of 11017539481 is 18493571011.

It is not a de Polignac number, because 11017539481 - 2¹ = 11017539479 is a prime.

It is a super-2 number, since 2×11017539481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11017539781) 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, 666391 + ... + 682723.

It is an arithmetic number, because the mean of its divisors is an integer number (780928540).

Almost surely, 2^11017539481 is an apocalyptic number.

It is an amenable number.

11017539481 is a deficient number, since it is larger than the sum of its proper divisors (1477317159).

11017539481 is a wasteful number, since it uses less digits than its factorization.

11017539481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19096.

The product of its (nonzero) digits is 30240, while the sum is 40.

The spelling of 11017539481 in words is "eleven billion, seventeen million, five hundred thirty-nine thousand, four hundred eighty-one".