12554350663061 has 4 divisors (see below), whose sum is σ = 12846312306432. Its totient is φ = 12262389019692.

The previous prime is 12554350663031. The next prime is 12554350663073. The reversal of 12554350663061 is 16036605345521.

12554350663061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12554350663061 is a prime.

It is a super-2 number, since 2×12554350663061² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12554350662997 and 12554350663015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12554350663021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145980821621 + ... + 145980821706.

It is an arithmetic number, because the mean of its divisors is an integer number (3211578076608).

Almost surely, 2^{12554350663061} is an apocalyptic number.

It is an amenable number.

12554350663061 is a deficient number, since it is larger than the sum of its proper divisors (291961643371).

12554350663061 is an equidigital number, since it uses as much as digits as its factorization.

12554350663061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291961643370.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 12554350663061 in words is "twelve trillion, five hundred fifty-four billion, three hundred fifty million, six hundred sixty-three thousand, sixty-one".