12361355686758 has 64 divisors (see below), whose sum is σ = 26966320496640. Its totient is φ = 3754728338688.

The previous prime is 12361355686751. The next prime is 12361355686789. The reversal of 12361355686758 is 85768655316321.

It is a super-2 number, since 2×12361355686758² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12361355686751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7533810 + ... + 9026682.

It is an arithmetic number, because the mean of its divisors is an integer number (421348757760).

Almost surely, 2^{12361355686758} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12361355686758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13483160248320).

12361355686758 is an abundant number, since it is smaller than the sum of its proper divisors (14604964809882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12361355686758 is a wasteful number, since it uses less digits than its factorization.

12361355686758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494253.

The product of its digits is 217728000, while the sum is 66.

The spelling of 12361355686758 in words is "twelve trillion, three hundred sixty-one billion, three hundred fifty-five million, six hundred eighty-six thousand, seven hundred fifty-eight".