540540250153551 has 12 divisors (see below), whose sum is σ = 783097217008912. Its totient is φ = 359290848764736.

The previous prime is 540540250153543. The next prime is 540540250153639. The reversal of 540540250153551 is 155351052045045.

540540250153551 is a `hidden beast` number, since 5 + 4 + 0 + 5 + 40 + 2 + 5 + 0 + 1 + 53 + 551 = 666.

It is not a de Polignac number, because 540540250153551 - 2³ = 540540250153543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540540250153497 and 540540250153506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540540250153051) 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, 89109830491 + ... + 89109836556.

Almost surely, 2^{540540250153551} is an apocalyptic number.

540540250153551 is a deficient number, since it is larger than the sum of its proper divisors (242556966855361).

540540250153551 is a wasteful number, since it uses less digits than its factorization.

540540250153551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178219667390 (or 178219667387 counting only the distinct ones).

The product of its (nonzero) digits is 1500000, while the sum is 45.

The spelling of 540540250153551 in words is "five hundred forty trillion, five hundred forty billion, two hundred fifty million, one hundred fifty-three thousand, five hundred fifty-one".