11655620701073 has 8 divisors (see below), whose sum is σ = 11816528413896. Its totient is φ = 11494746547200.

The previous prime is 11655620701063. The next prime is 11655620701099. The reversal of 11655620701073 is 37010702655611.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 378167192209 + 11277453508864 = 614953^2 + 3358192^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11655620701073 - 2⁶ = 11655620701009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11655620701063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7689908 + ... + 9079973.

It is an arithmetic number, because the mean of its divisors is an integer number (1477066051737).

Almost surely, 2^{11655620701073} is an apocalyptic number.

It is an amenable number.

11655620701073 is a deficient number, since it is larger than the sum of its proper divisors (160907712823).

11655620701073 is an equidigital number, since it uses as much as digits as its factorization.

11655620701073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16779475.

The product of its (nonzero) digits is 264600, while the sum is 44.

The spelling of 11655620701073 in words is "eleven trillion, six hundred fifty-five billion, six hundred twenty million, seven hundred one thousand, seventy-three".