540142120511 has 8 divisors (see below), whose sum is σ = 617318981760. Its totient is φ = 462968684568.

The previous prime is 540142120499. The next prime is 540142120523. The reversal of 540142120511 is 115021241045.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (540142120499) and next prime (540142120523).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540142120511 - 2³⁰ = 539068378687 is a prime.

It is a super-2 number, since 2×540142120511² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540142120561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509021 + ... + 1157318.

It is an arithmetic number, because the mean of its divisors is an integer number (77164872720).

Almost surely, 2^540142120511 is an apocalyptic number.

540142120511 is a deficient number, since it is larger than the sum of its proper divisors (77176861249).

540142120511 is a wasteful number, since it uses less digits than its factorization.

540142120511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712653.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 540142120511 its reverse (115021241045), we get a palindrome (655163361556).

The spelling of 540142120511 in words is "five hundred forty billion, one hundred forty-two million, one hundred twenty thousand, five hundred eleven".