1042050501251 has 2 divisors, whose sum is σ = 1042050501252. Its totient is φ = 1042050501250.

The previous prime is 1042050501229. The next prime is 1042050501263. The reversal of 1042050501251 is 1521050502401.

1042050501251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042050501251 - 2¹⁸ = 1042050239107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1042050501251.

It is not a weakly prime, because it can be changed into another prime (1042050501211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521025250625 + 521025250626.

It is an arithmetic number, because the mean of its divisors is an integer number (521025250626).

Almost surely, 2^{1042050501251} is an apocalyptic number.

1042050501251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042050501251 is an equidigital number, since it uses as much as digits as its factorization.

1042050501251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 1042050501251 in words is "one trillion, forty-two billion, fifty million, five hundred one thousand, two hundred fifty-one".