540101220551 has 16 divisors (see below), whose sum is σ = 599228863200. Its totient is φ = 484709516928.

The previous prime is 540101220523. The next prime is 540101220553. The reversal of 540101220551 is 155022101045.

It is a cyclic number.

It is not a de Polignac number, because 540101220551 - 2⁶ = 540101220487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540101220551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540101220553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9218156 + ... + 9276561.

It is an arithmetic number, because the mean of its divisors is an integer number (37451803950).

Almost surely, 2^540101220551 is an apocalyptic number.

540101220551 is a deficient number, since it is larger than the sum of its proper divisors (59127642649).

540101220551 is a wasteful number, since it uses less digits than its factorization.

540101220551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18494818.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 540101220551 its reverse (155022101045), we get a palindrome (695123321596).

The spelling of 540101220551 in words is "five hundred forty billion, one hundred one million, two hundred twenty thousand, five hundred fifty-one".