11073231066531 has 16 divisors (see below), whose sum is σ = 14817126739968. Its totient is φ = 7355745700800.

The previous prime is 11073231066529. The next prime is 11073231066553. The reversal of 11073231066531 is 13566013237011.

It is not a de Polignac number, because 11073231066531 - 2¹ = 11073231066529 is a prime.

It is a super-2 number, since 2×11073231066531² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11073231066531.

It is not an unprimeable number, because it can be changed into a prime (11073231066511) 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, 66540030 + ... + 66706236.

It is an arithmetic number, because the mean of its divisors is an integer number (926070421248).

Almost surely, 2^{11073231066531} is an apocalyptic number.

11073231066531 is a deficient number, since it is larger than the sum of its proper divisors (3743895673437).

11073231066531 is a wasteful number, since it uses less digits than its factorization.

11073231066531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245522.

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 11073231066531 in words is "eleven trillion, seventy-three billion, two hundred thirty-one million, sixty-six thousand, five hundred thirty-one".