40751919778001 has 2 divisors, whose sum is σ = 40751919778002. Its totient is φ = 40751919778000.

The previous prime is 40751919777983. The next prime is 40751919778019. The reversal of 40751919778001 is 10087791915704.

It is a balanced prime because it is at equal distance from previous prime (40751919777983) and next prime (40751919778019).

It can be written as a sum of positive squares in only one way, i.e., 34993743633601 + 5758176144400 = 5915551^2 + 2399620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40751919778001 is a prime.

It is not a weakly prime, because it can be changed into another prime (40751919778051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20375959889000 + 20375959889001.

It is an arithmetic number, because the mean of its divisors is an integer number (20375959889001).

Almost surely, 2^{40751919778001} is an apocalyptic number.

It is an amenable number.

40751919778001 is a deficient number, since it is larger than the sum of its proper divisors (1).

40751919778001 is an equidigital number, since it uses as much as digits as its factorization.

40751919778001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4445280, while the sum is 59.

The spelling of 40751919778001 in words is "forty trillion, seven hundred fifty-one billion, nine hundred nineteen million, seven hundred seventy-eight thousand, one".