11514654005561 has 6 divisors (see below), whose sum is σ = 13394597516730. Its totient is φ = 9869703433296.

The previous prime is 11514654005539. The next prime is 11514654005581. The reversal of 11514654005561 is 16550045641511.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10561648517161 + 953005488400 = 3249869^2 + 976220^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11514654005561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11514654005501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117496469396 + ... + 117496469493.

It is an arithmetic number, because the mean of its divisors is an integer number (2232432919455).

Almost surely, 2^{11514654005561} is an apocalyptic number.

It is an amenable number.

11514654005561 is a deficient number, since it is larger than the sum of its proper divisors (1879943511169).

11514654005561 is an equidigital number, since it uses as much as digits as its factorization.

11514654005561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234992938903 (or 234992938896 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 44.

The spelling of 11514654005561 in words is "eleven trillion, five hundred fourteen billion, six hundred fifty-four million, five thousand, five hundred sixty-one".