540043145515 has 8 divisors (see below), whose sum is σ = 648540141120. Its totient is φ = 431708938752.

The previous prime is 540043145513. The next prime is 540043145617. The reversal of 540043145515 is 515541340045.

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 540043145515 - 2¹ = 540043145513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540043145513) 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, 40689910 + ... + 40703179.

It is an arithmetic number, because the mean of its divisors is an integer number (81067517640).

Almost surely, 2^540043145515 is an apocalyptic number.

540043145515 is a deficient number, since it is larger than the sum of its proper divisors (108496995605).

540043145515 is a wasteful number, since it uses less digits than its factorization.

540043145515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81394421.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 540043145515 in words is "five hundred forty billion, forty-three million, one hundred forty-five thousand, five hundred fifteen".