5436247891115 has 4 divisors (see below), whose sum is σ = 6523497469344. Its totient is φ = 4348998312888.

The previous prime is 5436247891111. The next prime is 5436247891127. The reversal of 5436247891115 is 5111987426345.

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 5436247891115 - 2² = 5436247891111 is a prime.

It is a super-2 number, since 2×5436247891115² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5436247891111) 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, 543624789107 + ... + 543624789116.

It is an arithmetic number, because the mean of its divisors is an integer number (1630874367336).

Almost surely, 2^{5436247891115} is an apocalyptic number.

5436247891115 is a deficient number, since it is larger than the sum of its proper divisors (1087249578229).

5436247891115 is a wasteful number, since it uses less digits than its factorization.

5436247891115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087249578228.

The product of its digits is 7257600, while the sum is 56.

The spelling of 5436247891115 in words is "five trillion, four hundred thirty-six billion, two hundred forty-seven million, eight hundred ninety-one thousand, one hundred fifteen".