1011341031543 has 24 divisors (see below), whose sum is σ = 1477531547648. Its totient is φ = 666554594832.

The previous prime is 1011341031523. The next prime is 1011341031557. The reversal of 1011341031543 is 3451301431101.

1011341031543 is a `hidden beast` number, since 1 + 0 + 1 + 1 + 341 + 0 + 315 + 4 + 3 = 666.

It is not a de Polignac number, because 1011341031543 - 2²² = 1011336837239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011341031523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1239805 + ... + 1886742.

Almost surely, 2^{1011341031543} is an apocalyptic number.

1011341031543 is a deficient number, since it is larger than the sum of its proper divisors (466190516105).

1011341031543 is a wasteful number, since it uses less digits than its factorization.

1011341031543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126963 (or 3126960 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 1011341031543 its reverse (3451301431101), we get a palindrome (4462642462644).

The spelling of 1011341031543 in words is "one trillion, eleven billion, three hundred forty-one million, thirty-one thousand, five hundred forty-three".