12355100531 has 8 divisors (see below), whose sum is σ = 13009094400. Its totient is φ = 11701479240.

The previous prime is 12355100507. The next prime is 12355100551. The reversal of 12355100531 is 13500155321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12355100531 - 2⁶ = 12355100467 is a prime.

It is a super-2 number, since 2×12355100531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12355100531.

It is not an unprimeable number, because it can be changed into a prime (12355100501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23735 + ... + 158976.

It is an arithmetic number, because the mean of its divisors is an integer number (1626136800).

Almost surely, 2^12355100531 is an apocalyptic number.

12355100531 is a deficient number, since it is larger than the sum of its proper divisors (653993869).

12355100531 is a wasteful number, since it uses less digits than its factorization.

12355100531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186289.

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 12355100531 its reverse (13500155321), we get a palindrome (25855255852).

The spelling of 12355100531 in words is "twelve billion, three hundred fifty-five million, one hundred thousand, five hundred thirty-one".