540112613021 has 4 divisors (see below), whose sum is σ = 540114140544. Its totient is φ = 540111085500.

The previous prime is 540112613017. The next prime is 540112613039. The reversal of 540112613021 is 120316211045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 540112613021 - 2² = 540112613017 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 (540112613011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70046 + ... + 1041696.

It is an arithmetic number, because the mean of its divisors is an integer number (135028535136).

Almost surely, 2^540112613021 is an apocalyptic number.

It is an amenable number.

540112613021 is a deficient number, since it is larger than the sum of its proper divisors (1527523).

540112613021 is an equidigital number, since it uses as much as digits as its factorization.

540112613021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527522.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 540112613021 its reverse (120316211045), we get a palindrome (660428824066).

The spelling of 540112613021 in words is "five hundred forty billion, one hundred twelve million, six hundred thirteen thousand, twenty-one".