11673210531 has 16 divisors (see below), whose sum is σ = 16487017344. Its totient is φ = 7321171584.

The previous prime is 11673210511. The next prime is 11673210533. The reversal of 11673210531 is 13501237611.

It is not a de Polignac number, because 11673210531 - 2⁹ = 11673210019 is a prime.

It is a super-2 number, since 2×11673210531² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11673210533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70936 + ... + 168458.

It is an arithmetic number, because the mean of its divisors is an integer number (1030438584).

Almost surely, 2^11673210531 is an apocalyptic number.

11673210531 is a deficient number, since it is larger than the sum of its proper divisors (4813806813).

11673210531 is a wasteful number, since it uses less digits than its factorization.

11673210531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99890.

The product of its (nonzero) digits is 3780, while the sum is 30.

The spelling of 11673210531 in words is "eleven billion, six hundred seventy-three million, two hundred ten thousand, five hundred thirty-one".