40051251113 has 4 divisors (see below), whose sum is σ = 40903405440. Its totient is φ = 39199096788.

The previous prime is 40051251101. The next prime is 40051251127. The reversal of 40051251113 is 31115215004.

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 40051251113 - 2¹² = 40051247017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40051251143) 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, 426077093 + ... + 426077186.

It is an arithmetic number, because the mean of its divisors is an integer number (10225851360).

Almost surely, 2^40051251113 is an apocalyptic number.

It is an amenable number.

40051251113 is a deficient number, since it is larger than the sum of its proper divisors (852154327).

40051251113 is an equidigital number, since it uses as much as digits as its factorization.

40051251113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852154326.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 40051251113 its reverse (31115215004), we get a palindrome (71166466117).

The spelling of 40051251113 in words is "forty billion, fifty-one million, two hundred fifty-one thousand, one hundred thirteen".