40111441251 has 8 divisors (see below), whose sum is σ = 61122196224. Its totient is φ = 22920823560.

The previous prime is 40111441243. The next prime is 40111441273. The reversal of 40111441251 is 15214411104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40111441251 - 2³ = 40111441243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40111441211) 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, 955034295 + ... + 955034336.

It is an arithmetic number, because the mean of its divisors is an integer number (7640274528).

Almost surely, 2^40111441251 is an apocalyptic number.

40111441251 is a deficient number, since it is larger than the sum of its proper divisors (21010754973).

40111441251 is a wasteful number, since it uses less digits than its factorization.

40111441251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910068641.

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 40111441251 its reverse (15214411104), we get a palindrome (55325852355).

The spelling of 40111441251 in words is "forty billion, one hundred eleven million, four hundred forty-one thousand, two hundred fifty-one".