541279061985 has 8 divisors (see below), whose sum is σ = 866046499200. Its totient is φ = 288682166384.

The previous prime is 541279061971. The next prime is 541279062013. The reversal of 541279061985 is 589160972145.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 541279061985 - 2¹⁵ = 541279029217 is a prime.

It is a super-2 number, since 2×541279061985² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18042635385 + ... + 18042635414.

It is an arithmetic number, because the mean of its divisors is an integer number (108255812400).

Almost surely, 2^541279061985 is an apocalyptic number.

It is an amenable number.

541279061985 is a deficient number, since it is larger than the sum of its proper divisors (324767437215).

541279061985 is a wasteful number, since it uses less digits than its factorization.

541279061985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36085270807.

The product of its (nonzero) digits is 5443200, while the sum is 57.

The spelling of 541279061985 in words is "five hundred forty-one billion, two hundred seventy-nine million, sixty-one thousand, nine hundred eighty-five".