52171277715 has 16 divisors (see below), whose sum is σ = 92748938400. Its totient is φ = 27824681376.

The previous prime is 52171277663. The next prime is 52171277779. The reversal of 52171277715 is 51777217125.

It is not a de Polignac number, because 52171277715 - 2²⁴ = 52154500499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193226820 + ... + 193227089.

It is an arithmetic number, because the mean of its divisors is an integer number (5796808650).

Almost surely, 2^52171277715 is an apocalyptic number.

52171277715 is a deficient number, since it is larger than the sum of its proper divisors (40577660685).

52171277715 is a wasteful number, since it uses less digits than its factorization.

52171277715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386453923 (or 386453917 counting only the distinct ones).

The product of its digits is 240100, while the sum is 45.

The spelling of 52171277715 in words is "fifty-two billion, one hundred seventy-one million, two hundred seventy-seven thousand, seven hundred fifteen".