12611045357 has 8 divisors (see below), whose sum is σ = 13048096440. Its totient is φ = 12174140160.

The previous prime is 12611045341. The next prime is 12611045401. The reversal of 12611045357 is 75354011621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53377636 + 12557667721 = 7306^2 + 112061^2 .

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 12611045357 - 2⁴ = 12611045341 is a prime.

It is a super-2 number, since 2×12611045357² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12611041357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156857 + ... + 223217.

It is an arithmetic number, because the mean of its divisors is an integer number (1631012055).

Almost surely, 2^12611045357 is an apocalyptic number.

It is an amenable number.

12611045357 is a deficient number, since it is larger than the sum of its proper divisors (437051083).

12611045357 is an equidigital number, since it uses as much as digits as its factorization.

12611045357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72943.

The product of its (nonzero) digits is 25200, while the sum is 35.

Adding to 12611045357 its reverse (75354011621), we get a palindrome (87965056978).

The spelling of 12611045357 in words is "twelve billion, six hundred eleven million, forty-five thousand, three hundred fifty-seven".