1011543234319 has 2 divisors, whose sum is σ = 1011543234320. Its totient is φ = 1011543234318.

The previous prime is 1011543234269. The next prime is 1011543234371. The reversal of 1011543234319 is 9134323451101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011543234319 - 2¹⁵ = 1011543201551 is a prime.

It is a super-2 number, since 2×1011543234319² (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 (1011543234019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505771617159 + 505771617160.

It is an arithmetic number, because the mean of its divisors is an integer number (505771617160).

Almost surely, 2^{1011543234319} is an apocalyptic number.

1011543234319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011543234319 is an equidigital number, since it uses as much as digits as its factorization.

1011543234319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 1011543234319 in words is "one trillion, eleven billion, five hundred forty-three million, two hundred thirty-four thousand, three hundred nineteen".