1050520423501 has 2 divisors, whose sum is σ = 1050520423502. Its totient is φ = 1050520423500.

The previous prime is 1050520423429. The next prime is 1050520423517. The reversal of 1050520423501 is 1053240250501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 863507421001 + 187013002500 = 929251^2 + 432450^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050520423501 - 2⁷ = 1050520423373 is a prime.

It is a super-2 number, since 2×1050520423501² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1050520423501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1050520423201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525260211750 + 525260211751.

It is an arithmetic number, because the mean of its divisors is an integer number (525260211751).

Almost surely, 2^{1050520423501} is an apocalyptic number.

It is an amenable number.

1050520423501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050520423501 is an equidigital number, since it uses as much as digits as its factorization.

1050520423501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 1050520423501 in words is "one trillion, fifty billion, five hundred twenty million, four hundred twenty-three thousand, five hundred one".