40111351157 has 4 divisors (see below), whose sum is σ = 40116568800. Its totient is φ = 40106133516.

The previous prime is 40111351139. The next prime is 40111351207. The reversal of 40111351157 is 75115311104.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40111351157 - 2²⁰ = 40110302581 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 (40111351757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2597273 + ... + 2612670.

It is an arithmetic number, because the mean of its divisors is an integer number (10029142200).

Almost surely, 2^40111351157 is an apocalyptic number.

It is an amenable number.

40111351157 is a deficient number, since it is larger than the sum of its proper divisors (5217643).

40111351157 is an equidigital number, since it uses as much as digits as its factorization.

40111351157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217642.

The product of its (nonzero) digits is 2100, while the sum is 29.

The spelling of 40111351157 in words is "forty billion, one hundred eleven million, three hundred fifty-one thousand, one hundred fifty-seven".