1026252359381 has 2 divisors, whose sum is σ = 1026252359382. Its totient is φ = 1026252359380.

The previous prime is 1026252359371. The next prime is 1026252359411. The reversal of 1026252359381 is 1839532526201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540910237156 + 485342122225 = 735466^2 + 696665^2 .

It is a cyclic number.

It is not a de Polignac number, because 1026252359381 - 2²² = 1026248165077 is a prime.

It is a super-2 number, since 2×1026252359381² (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 (1026252359371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513126179690 + 513126179691.

It is an arithmetic number, because the mean of its divisors is an integer number (513126179691).

Almost surely, 2^{1026252359381} is an apocalyptic number.

It is an amenable number.

1026252359381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026252359381 is an equidigital number, since it uses as much as digits as its factorization.

1026252359381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 1026252359381 in words is "one trillion, twenty-six billion, two hundred fifty-two million, three hundred fifty-nine thousand, three hundred eighty-one".