12540554741 has 8 divisors (see below), whose sum is σ = 14732959584. Its totient is φ = 10523542320.

The previous prime is 12540554731. The next prime is 12540554759. The reversal of 12540554741 is 14745504521.

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 12540554741 - 2¹⁴ = 12540538357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12540554695 and 12540554704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12540554731) 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, 43847951 + ... + 43848236.

It is an arithmetic number, because the mean of its divisors is an integer number (1841619948).

Almost surely, 2^12540554741 is an apocalyptic number.

12540554741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12540554741 is a deficient number, since it is larger than the sum of its proper divisors (2192404843).

12540554741 is a wasteful number, since it uses less digits than its factorization.

12540554741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87696211.

The product of its (nonzero) digits is 112000, while the sum is 38.

The spelling of 12540554741 in words is "twelve billion, five hundred forty million, five hundred fifty-four thousand, seven hundred forty-one".