11553116043646 has 16 divisors (see below), whose sum is σ = 18571871621664. Its totient is φ = 5376068099424.

The previous prime is 11553116043631. The next prime is 11553116043671. The reversal of 11553116043646 is 64634061135511.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 11553116043596 and 11553116043605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3393980685 + ... + 3393984088.

It is an arithmetic number, because the mean of its divisors is an integer number (1160741976354).

Almost surely, 2^{11553116043646} is an apocalyptic number.

11553116043646 is a deficient number, since it is larger than the sum of its proper divisors (7018755578018).

11553116043646 is a wasteful number, since it uses less digits than its factorization.

11553116043646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6787964835.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 11553116043646 in words is "eleven trillion, five hundred fifty-three billion, one hundred sixteen million, forty-three thousand, six hundred forty-six".