40001120051 has 2 divisors, whose sum is σ = 40001120052. Its totient is φ = 40001120050.

The previous prime is 40001120021. The next prime is 40001120083. The reversal of 40001120051 is 15002110004.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40001120051 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40001120021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20000560025 + 20000560026.

It is an arithmetic number, because the mean of its divisors is an integer number (20000560026).

Almost surely, 2^40001120051 is an apocalyptic number.

40001120051 is a deficient number, since it is larger than the sum of its proper divisors (1).

40001120051 is an equidigital number, since it uses as much as digits as its factorization.

40001120051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 40001120051 its reverse (15002110004), we get a palindrome (55003230055).

The spelling of 40001120051 in words is "forty billion, one million, one hundred twenty thousand, fifty-one".