40111712551 has 16 divisors (see below), whose sum is σ = 42803691840. Its totient is φ = 37456967680.

The previous prime is 40111712521. The next prime is 40111712561. The reversal of 40111712551 is 15521711104.

It is not a de Polignac number, because 40111712551 - 2¹³ = 40111704359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40111712521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6352686 + ... + 6358996.

It is an arithmetic number, because the mean of its divisors is an integer number (2675230740).

Almost surely, 2^40111712551 is an apocalyptic number.

40111712551 is a deficient number, since it is larger than the sum of its proper divisors (2691979289).

40111712551 is a wasteful number, since it uses less digits than its factorization.

40111712551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9194.

The product of its (nonzero) digits is 1400, while the sum is 28.

The spelling of 40111712551 in words is "forty billion, one hundred eleven million, seven hundred twelve thousand, five hundred fifty-one".