5311540731215 has 12 divisors (see below), whose sum is σ = 6446269882344. Its totient is φ = 4201488367296.

The previous prime is 5311540731199. The next prime is 5311540731227. The reversal of 5311540731215 is 5121370451135.

It is not a de Polignac number, because 5311540731215 - 2⁴ = 5311540731199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67016837 + ... + 67096046.

It is an arithmetic number, because the mean of its divisors is an integer number (537189156862).

Almost surely, 2^{5311540731215} is an apocalyptic number.

5311540731215 is a deficient number, since it is larger than the sum of its proper divisors (1134729151129).

5311540731215 is an equidigital number, since it uses as much as digits as its factorization.

5311540731215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134113066 (or 134112977 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 5311540731215 in words is "five trillion, three hundred eleven billion, five hundred forty million, seven hundred thirty-one thousand, two hundred fifteen".