12615545311757 has 8 divisors (see below), whose sum is σ = 12808645263936. Its totient is φ = 12422586778272.

The previous prime is 12615545311729. The next prime is 12615545311793. The reversal of 12615545311757 is 75711354551621.

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 12615545311757 - 2¹² = 12615545307661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12615545311699 and 12615545311708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12615545317757) 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, 35174888 + ... + 35531729.

It is an arithmetic number, because the mean of its divisors is an integer number (1601080657992).

Almost surely, 2^{12615545311757} is an apocalyptic number.

It is an amenable number.

12615545311757 is a deficient number, since it is larger than the sum of its proper divisors (193099952179).

12615545311757 is an equidigital number, since it uses as much as digits as its factorization.

12615545311757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70709347.

The product of its digits is 4410000, while the sum is 53.

The spelling of 12615545311757 in words is "twelve trillion, six hundred fifteen billion, five hundred forty-five million, three hundred eleven thousand, seven hundred fifty-seven".