540661455125 has 32 divisors (see below), whose sum is σ = 738028886400. Its totient is φ = 392170464000.

The previous prime is 540661455077. The next prime is 540661455161. The reversal of 540661455125 is 521554166045.

It is not a de Polignac number, because 540661455125 - 2⁸ = 540661454869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2381 + ... + 1039869.

It is an arithmetic number, because the mean of its divisors is an integer number (23063402700).

Almost surely, 2^540661455125 is an apocalyptic number.

540661455125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

540661455125 is a deficient number, since it is larger than the sum of its proper divisors (197367431275).

540661455125 is a wasteful number, since it uses less digits than its factorization.

540661455125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037894 (or 1037884 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 540661455125 in words is "five hundred forty billion, six hundred sixty-one million, four hundred fifty-five thousand, one hundred twenty-five".