540351671505 has 16 divisors (see below), whose sum is σ = 902152356480. Its totient is φ = 275657664128.

The previous prime is 540351671491. The next prime is 540351671557. The reversal of 540351671505 is 505176153045.

It is a cyclic number.

It is not a de Polignac number, because 540351671505 - 2¹⁴ = 540351655121 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 783118020 + ... + 783118709.

It is an arithmetic number, because the mean of its divisors is an integer number (56384522280).

Almost surely, 2^540351671505 is an apocalyptic number.

It is an amenable number.

540351671505 is a deficient number, since it is larger than the sum of its proper divisors (361800684975).

540351671505 is a wasteful number, since it uses less digits than its factorization.

540351671505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566236760.

The product of its (nonzero) digits is 315000, while the sum is 42.

The spelling of 540351671505 in words is "five hundred forty billion, three hundred fifty-one million, six hundred seventy-one thousand, five hundred five".