12404541552997 has 4 divisors (see below), whose sum is σ = 13532227148736. Its totient is φ = 11276855957260.

The previous prime is 12404541552971. The next prime is 12404541553009. The reversal of 12404541552997 is 79925514540421.

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-12404541552997 is a prime.

It is a super-2 number, since 2×12404541552997² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404541559997) 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, 563842797853 + ... + 563842797874.

It is an arithmetic number, because the mean of its divisors is an integer number (3383056787184).

Almost surely, 2^{12404541552997} is an apocalyptic number.

It is an amenable number.

12404541552997 is a deficient number, since it is larger than the sum of its proper divisors (1127685595739).

12404541552997 is a wasteful number, since it uses less digits than its factorization.

12404541552997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127685595738.

The product of its (nonzero) digits is 18144000, while the sum is 58.

The spelling of 12404541552997 in words is "twelve trillion, four hundred four billion, five hundred forty-one million, five hundred fifty-two thousand, nine hundred ninety-seven".