540261125523 has 12 divisors (see below), whose sum is σ = 891859635888. Its totient is φ = 308720643120.

The previous prime is 540261125497. The next prime is 540261125617. The reversal of 540261125523 is 325521162045.

540261125523 is a `hidden beast` number, since 5 + 4 + 0 + 2 + 6 + 1 + 125 + 523 = 666.

540261125523 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 540261125523 - 2¹² = 540261121427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540261125323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4287786648 + ... + 4287786773.

It is an arithmetic number, because the mean of its divisors is an integer number (74321636324).

Almost surely, 2^540261125523 is an apocalyptic number.

540261125523 is a deficient number, since it is larger than the sum of its proper divisors (351598510365).

540261125523 is a wasteful number, since it uses less digits than its factorization.

540261125523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8575573434 (or 8575573431 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 540261125523 its reverse (325521162045), we get a palindrome (865782287568).

The spelling of 540261125523 in words is "five hundred forty billion, two hundred sixty-one million, one hundred twenty-five thousand, five hundred twenty-three".