5524512257491 has 4 divisors (see below), whose sum is σ = 5526769927392. Its totient is φ = 5522254587592.

The previous prime is 5524512257489. The next prime is 5524512257503. The reversal of 5524512257491 is 1947522154255.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5524512257491 - 2¹ = 5524512257489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5524513257491) 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, 1128831280 + ... + 1128836173.

It is an arithmetic number, because the mean of its divisors is an integer number (1381692481848).

Almost surely, 2^{5524512257491} is an apocalyptic number.

5524512257491 is a deficient number, since it is larger than the sum of its proper divisors (2257669901).

5524512257491 is a wasteful number, since it uses less digits than its factorization.

5524512257491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257669900.

The product of its digits is 5040000, while the sum is 52.

The spelling of 5524512257491 in words is "five trillion, five hundred twenty-four billion, five hundred twelve million, two hundred fifty-seven thousand, four hundred ninety-one".