540771511 has 16 divisors (see below), whose sum is σ = 630144000. Its totient is φ = 454510368.

The previous prime is 540771503. The next prime is 540771529. The reversal of 540771511 is 115177045.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 540771511 - 2³ = 540771503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540771611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79116 + ... + 85678.

It is an arithmetic number, because the mean of its divisors is an integer number (39384000).

Almost surely, 2^540771511 is an apocalyptic number.

540771511 is a deficient number, since it is larger than the sum of its proper divisors (89372489).

540771511 is a wasteful number, since it uses less digits than its factorization.

540771511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6798.

The product of its (nonzero) digits is 4900, while the sum is 31.

The square root of 540771511 is about 23254.4944258094. The cubic root of 540771511 is about 814.7129158108.

The spelling of 540771511 in words is "five hundred forty million, seven hundred seventy-one thousand, five hundred eleven".