540533321155 has 32 divisors (see below), whose sum is σ = 696581424000. Its totient is φ = 401228163072.

The previous prime is 540533321143. The next prime is 540533321183. The reversal of 540533321155 is 551123335045.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540533321155 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1697149 + ... + 1990321.

It is an arithmetic number, because the mean of its divisors is an integer number (21768169500).

Almost surely, 2^540533321155 is an apocalyptic number.

540533321155 is a deficient number, since it is larger than the sum of its proper divisors (156048102845).

540533321155 is a wasteful number, since it uses less digits than its factorization.

540533321155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293503.

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 540533321155 in words is "five hundred forty billion, five hundred thirty-three million, three hundred twenty-one thousand, one hundred fifty-five".