5536297718721 has 648 divisors, whose sum is σ = 11381159043072. Its totient is φ = 2580142118400.

The previous prime is 5536297718717. The next prime is 5536297718737. The reversal of 5536297718721 is 1278177926355.

It is a happy number.

5536297718721 is a `hidden beast` number, since 5 + 5 + 362 + 9 + 77 + 187 + 21 = 666.

It is not a de Polignac number, because 5536297718721 - 2² = 5536297718717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (5536297718321) by changing a digit.

It is a polite number, since it can be written in 647 ways as a sum of consecutive naturals, for example, 43592895360 + ... + 43592895486.

Almost surely, 2^{5536297718721} is an apocalyptic number.

It is an amenable number.

5536297718721 is an abundant number, since it is smaller than the sum of its proper divisors (5844861324351).

5536297718721 is a wasteful number, since it uses less digits than its factorization.

5536297718721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 271 counting only the distinct ones).

The product of its digits is 44452800, while the sum is 63.

The spelling of 5536297718721 in words is "five trillion, five hundred thirty-six billion, two hundred ninety-seven million, seven hundred eighteen thousand, seven hundred twenty-one".