10540504155501 has 6 divisors (see below), whose sum is σ = 15225172669070. Its totient is φ = 7027002770328.

The previous prime is 10540504155491. The next prime is 10540504155527. The reversal of 10540504155501 is 10555140504501.

10540504155501 is a `hidden beast` number, since 1 + 0 + 5 + 40 + 50 + 4 + 15 + 550 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8019935138601 + 2520569016900 = 2831949^2 + 1587630^2 .

It is not a de Polignac number, because 10540504155501 - 2⁵ = 10540504155469 is a prime.

It is a super-2 number, since 2×10540504155501² (a number of 27 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 (10540504154501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 585583564186 + ... + 585583564203.

Almost surely, 2^{10540504155501} is an apocalyptic number.

It is an amenable number.

10540504155501 is a deficient number, since it is larger than the sum of its proper divisors (4684668513569).

10540504155501 is a wasteful number, since it uses less digits than its factorization.

10540504155501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171167128395 (or 1171167128392 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 36.

The spelling of 10540504155501 in words is "ten trillion, five hundred forty billion, five hundred four million, one hundred fifty-five thousand, five hundred one".