11251304541 has 8 divisors (see below), whose sum is σ = 16668599360. Its totient is φ = 7500869676.

The previous prime is 11251304489. The next prime is 11251304563. The reversal of 11251304541 is 14540315211.

11251304541 is a `hidden beast` number, since 112 + 5 + 1 + 3 + 0 + 4 + 541 = 666.

It is not a de Polignac number, because 11251304541 - 2¹¹ = 11251302493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 416714983 = 11251304541 / (1 + 1 + 2 + 5 + 1 + 3 + 0 + 4 + 5 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11251304941) 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, 208357465 + ... + 208357518.

It is an arithmetic number, because the mean of its divisors is an integer number (2083574920).

Almost surely, 2^11251304541 is an apocalyptic number.

It is an amenable number.

11251304541 is a deficient number, since it is larger than the sum of its proper divisors (5417294819).

11251304541 is an equidigital number, since it uses as much as digits as its factorization.

11251304541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416714992 (or 416714986 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 11251304541 its reverse (14540315211), we get a palindrome (25791619752).

The spelling of 11251304541 in words is "eleven billion, two hundred fifty-one million, three hundred four thousand, five hundred forty-one".