40111244551 has 8 divisors (see below), whose sum is σ = 45845733024. Its totient is φ = 34377833760.

The previous prime is 40111244543. The next prime is 40111244587. The reversal of 40111244551 is 15544211104.

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

It is a cyclic number.

It is not a de Polignac number, because 40111244551 - 2³ = 40111244543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40111244501) 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, 188020 + ... + 339961.

It is an arithmetic number, because the mean of its divisors is an integer number (5730716628).

Almost surely, 2^40111244551 is an apocalyptic number.

40111244551 is a deficient number, since it is larger than the sum of its proper divisors (5734488473).

40111244551 is a wasteful number, since it uses less digits than its factorization.

40111244551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538841.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 40111244551 its reverse (15544211104), we get a palindrome (55655455655).

The spelling of 40111244551 in words is "forty billion, one hundred eleven million, two hundred forty-four thousand, five hundred fifty-one".