11541747401 has 4 divisors (see below), whose sum is σ = 11573196672. Its totient is φ = 11510298132.

The previous prime is 11541747397. The next prime is 11541747421. The reversal of 11541747401 is 10474714511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11541747401 - 2² = 11541747397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11541747421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15724085 + ... + 15724818.

It is an arithmetic number, because the mean of its divisors is an integer number (2893299168).

Almost surely, 2^11541747401 is an apocalyptic number.

It is an amenable number.

11541747401 is a deficient number, since it is larger than the sum of its proper divisors (31449271).

11541747401 is an equidigital number, since it uses as much as digits as its factorization.

11541747401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31449270.

The product of its (nonzero) digits is 15680, while the sum is 35.

The spelling of 11541747401 in words is "eleven billion, five hundred forty-one million, seven hundred forty-seven thousand, four hundred one".