1052401250191 has 2 divisors, whose sum is σ = 1052401250192. Its totient is φ = 1052401250190.

The previous prime is 1052401250183. The next prime is 1052401250269. The reversal of 1052401250191 is 1910521042501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1052401250191 - 2³ = 1052401250183 is a prime.

It is a super-2 number, since 2×1052401250191² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052401250141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526200625095 + 526200625096.

It is an arithmetic number, because the mean of its divisors is an integer number (526200625096).

Almost surely, 2^{1052401250191} is an apocalyptic number.

1052401250191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052401250191 is an equidigital number, since it uses as much as digits as its factorization.

1052401250191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 31.

Adding to 1052401250191 its reverse (1910521042501), we get a palindrome (2962922292692).

The spelling of 1052401250191 in words is "one trillion, fifty-two billion, four hundred one million, two hundred fifty thousand, one hundred ninety-one".