41511121451 has 4 divisors (see below), whose sum is σ = 41518472904. Its totient is φ = 41503770000.

The previous prime is 41511121367. The next prime is 41511121489. The reversal of 41511121451 is 15412111514.

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

It is a cyclic number.

It is not a de Polignac number, because 41511121451 - 2¹⁴ = 41511105067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41511121451.

It is not an unprimeable number, because it can be changed into a prime (41511171451) 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, 3667250 + ... + 3678551.

It is an arithmetic number, because the mean of its divisors is an integer number (10379618226).

Almost surely, 2^41511121451 is an apocalyptic number.

41511121451 is a deficient number, since it is larger than the sum of its proper divisors (7351453).

41511121451 is an equidigital number, since it uses as much as digits as its factorization.

41511121451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7351452.

The product of its digits is 800, while the sum is 26.

Adding to 41511121451 its reverse (15412111514), we get a palindrome (56923232965).

The spelling of 41511121451 in words is "forty-one billion, five hundred eleven million, one hundred twenty-one thousand, four hundred fifty-one".