540100155551 has 8 divisors (see below), whose sum is σ = 589240123344. Its totient is φ = 490966846720.

The previous prime is 540100155523. The next prime is 540100155559. The reversal of 540100155551 is 155551001045.

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 540100155551 - 2²⁶ = 540033046687 is a prime.

It is a super-2 number, since 2×540100155551² (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 (540100155559) 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, 1494386 + ... + 1820271.

It is an arithmetic number, because the mean of its divisors is an integer number (73655015418).

Almost surely, 2^540100155551 is an apocalyptic number.

540100155551 is a deficient number, since it is larger than the sum of its proper divisors (49139967793).

540100155551 is a wasteful number, since it uses less digits than its factorization.

540100155551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329481.

The product of its (nonzero) digits is 12500, while the sum is 32.

Adding to 540100155551 its reverse (155551001045), we get a palindrome (695651156596).

The spelling of 540100155551 in words is "five hundred forty billion, one hundred million, one hundred fifty-five thousand, five hundred fifty-one".