515534374271 has 6 divisors (see below), whose sum is σ = 599703251760. Its totient is φ = 441886606476.

The previous prime is 515534374219. The next prime is 515534374343. The reversal of 515534374271 is 172473435515.

It is not a de Polignac number, because 515534374271 - 2¹⁸ = 515534112127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515534377271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5260554791 + ... + 5260554888.

It is an arithmetic number, because the mean of its divisors is an integer number (99950541960).

Almost surely, 2^515534374271 is an apocalyptic number.

515534374271 is a deficient number, since it is larger than the sum of its proper divisors (84168877489).

515534374271 is a wasteful number, since it uses less digits than its factorization.

515534374271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10521109693 (or 10521109686 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 47.

The spelling of 515534374271 in words is "five hundred fifteen billion, five hundred thirty-four million, three hundred seventy-four thousand, two hundred seventy-one".