11545914784064 has 14 divisors (see below), whose sum is σ = 22911424649754. Its totient is φ = 5772957392000.

The previous prime is 11545914784013. The next prime is 11545914784067. The reversal of 11545914784064 is 46048741954511.

It can be written as a sum of positive squares in only one way, i.e., 8171639697664 + 3374275086400 = 2858608^2 + 1836920^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11545914783994 and 11545914784012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11545914784067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90202459187 + ... + 90202459314.

Almost surely, 2^{11545914784064} is an apocalyptic number.

It is an amenable number.

11545914784064 is a deficient number, since it is larger than the sum of its proper divisors (11365509865690).

11545914784064 is an equidigital number, since it uses as much as digits as its factorization.

11545914784064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180404918513 (or 180404918503 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 59.

The spelling of 11545914784064 in words is "eleven trillion, five hundred forty-five billion, nine hundred fourteen million, seven hundred eighty-four thousand, sixty-four".