1052115543431 has 2 divisors, whose sum is σ = 1052115543432. Its totient is φ = 1052115543430.

The previous prime is 1052115543389. The next prime is 1052115543439. The reversal of 1052115543431 is 1343455112501.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1343455112501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052115543431 is a prime.

It is a super-2 number, since 2×1052115543431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1052115543391 and 1052115543400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052115543439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526057771715 + 526057771716.

It is an arithmetic number, because the mean of its divisors is an integer number (526057771716).

Almost surely, 2^{1052115543431} is an apocalyptic number.

1052115543431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052115543431 is an equidigital number, since it uses as much as digits as its factorization.

1052115543431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 1052115543431 in words is "one trillion, fifty-two billion, one hundred fifteen million, five hundred forty-three thousand, four hundred thirty-one".