11012540343 has 32 divisors (see below), whose sum is σ = 17153212416. Its totient is φ = 6153543648.

The previous prime is 11012540321. The next prime is 11012540377. The reversal of 11012540343 is 34304521011.

It is a happy number.

It is not a de Polignac number, because 11012540343 - 2¹⁶ = 11012474807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012540443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1281780 + ... + 1290342.

It is an arithmetic number, because the mean of its divisors is an integer number (536037888).

Almost surely, 2^11012540343 is an apocalyptic number.

11012540343 is a deficient number, since it is larger than the sum of its proper divisors (6140672073).

11012540343 is a wasteful number, since it uses less digits than its factorization.

11012540343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9923.

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 11012540343 in words is "eleven billion, twelve million, five hundred forty thousand, three hundred forty-three".