11540514545651 has 64 divisors (see below), whose sum is σ = 15129560549376. Its totient is φ = 8542265702400.

The previous prime is 11540514545627. The next prime is 11540514545683. The reversal of 11540514545651 is 15654541504511.

It is a cyclic number.

It is not a de Polignac number, because 11540514545651 - 2¹⁰ = 11540514544627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11540514545596 and 11540514545605.

It is not an unprimeable number, because it can be changed into a prime (11540514545611) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 663887906 + ... + 663905288.

It is an arithmetic number, because the mean of its divisors is an integer number (236399383584).

Almost surely, 2^{11540514545651} is an apocalyptic number.

11540514545651 is a deficient number, since it is larger than the sum of its proper divisors (3589046003725).

11540514545651 is a wasteful number, since it uses less digits than its factorization.

11540514545651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19972.

The product of its (nonzero) digits is 1200000, while the sum is 47.

The spelling of 11540514545651 in words is "eleven trillion, five hundred forty billion, five hundred fourteen million, five hundred forty-five thousand, six hundred fifty-one".