52405842128465 has 32 divisors (see below), whose sum is σ = 72345685192704. Its totient is φ = 35698291208640.

The previous prime is 52405842128461. The next prime is 52405842128477. The reversal of 52405842128465 is 56482124850425.

It is not a de Polignac number, because 52405842128465 - 2² = 52405842128461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52405842128465.

It is not an unprimeable number, because it can be changed into a prime (52405842128461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6754460 + ... + 12265170.

It is an arithmetic number, because the mean of its divisors is an integer number (2260802662272).

Almost surely, 2^{52405842128465} is an apocalyptic number.

It is an amenable number.

52405842128465 is a deficient number, since it is larger than the sum of its proper divisors (19939843064239).

52405842128465 is a wasteful number, since it uses less digits than its factorization.

52405842128465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512517.

The product of its (nonzero) digits is 24576000, while the sum is 56.

The spelling of 52405842128465 in words is "fifty-two trillion, four hundred five billion, eight hundred forty-two million, one hundred twenty-eight thousand, four hundred sixty-five".