11554660413601 has 4 divisors (see below), whose sum is σ = 11554676129412. Its totient is φ = 11554644697792.

The previous prime is 11554660413599. The next prime is 11554660413641. The reversal of 11554660413601 is 10631406645511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4673167386001 + 6881493027600 = 2161751^2 + 2623260^2 .

It is a cyclic number.

It is not a de Polignac number, because 11554660413601 - 2¹ = 11554660413599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11554660413641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6697996 + ... + 8244541.

It is an arithmetic number, because the mean of its divisors is an integer number (2888669032353).

Almost surely, 2^{11554660413601} is an apocalyptic number.

It is an amenable number.

11554660413601 is a deficient number, since it is larger than the sum of its proper divisors (15715811).

11554660413601 is an equidigital number, since it uses as much as digits as its factorization.

11554660413601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15715810.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 11554660413601 in words is "eleven trillion, five hundred fifty-four billion, six hundred sixty million, four hundred thirteen thousand, six hundred one".