11541636431461 has 8 divisors (see below), whose sum is σ = 11591474477184. Its totient is φ = 11491836595200.

The previous prime is 11541636431443. The next prime is 11541636431483. The reversal of 11541636431461 is 16413463614511.

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 11541636431461 - 2¹¹ = 11541636429413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11541636431761) 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, 8946855 + ... + 10155268.

It is an arithmetic number, because the mean of its divisors is an integer number (1448934309648).

Almost surely, 2^{11541636431461} is an apocalyptic number.

It is an amenable number.

11541636431461 is a deficient number, since it is larger than the sum of its proper divisors (49838045723).

11541636431461 is a wasteful number, since it uses less digits than its factorization.

11541636431461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19104731.

The product of its digits is 622080, while the sum is 46.

The spelling of 11541636431461 in words is "eleven trillion, five hundred forty-one billion, six hundred thirty-six million, four hundred thirty-one thousand, four hundred sixty-one".