11147187401 has 4 divisors (see below), whose sum is σ = 12739642752. Its totient is φ = 9554732052.

The previous prime is 11147187341. The next prime is 11147187407. The reversal of 11147187401 is 10478174111.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10478174111 = 17 ⋅616363183.

It is a cyclic number.

It is not a de Polignac number, because 11147187401 - 2¹⁴ = 11147171017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11147187407) 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, 796227665 + ... + 796227678.

It is an arithmetic number, because the mean of its divisors is an integer number (3184910688).

Almost surely, 2^11147187401 is an apocalyptic number.

It is an amenable number.

11147187401 is a deficient number, since it is larger than the sum of its proper divisors (1592455351).

11147187401 is an equidigital number, since it uses as much as digits as its factorization.

11147187401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592455350.

The product of its (nonzero) digits is 6272, while the sum is 35.

The spelling of 11147187401 in words is "eleven billion, one hundred forty-seven million, one hundred eighty-seven thousand, four hundred one".