52180464121665 has 64 divisors (see below), whose sum is σ = 91210001743872. Its totient is φ = 25263133920000.

The previous prime is 52180464121603. The next prime is 52180464121673. The reversal of 52180464121665 is 56612146408125.

It is not a de Polignac number, because 52180464121665 - 2⁶ = 52180464121601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1518313312 + ... + 1518347678.

It is an arithmetic number, because the mean of its divisors is an integer number (1425156277248).

Almost surely, 2^{52180464121665} is an apocalyptic number.

52180464121665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52180464121665 is a deficient number, since it is larger than the sum of its proper divisors (39029537622207).

52180464121665 is a wasteful number, since it uses less digits than its factorization.

52180464121665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47390.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 52180464121665 in words is "fifty-two trillion, one hundred eighty billion, four hundred sixty-four million, one hundred twenty-one thousand, six hundred sixty-five".