10542031511111 has 16 divisors (see below), whose sum is σ = 10648523790336. Its totient is φ = 10436108488416.

The previous prime is 10542031510993. The next prime is 10542031511113. The reversal of 10542031511111 is 11111513024501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10542031511111 - 2¹⁸ = 10542031248967 is a prime.

It is a super-2 number, since 2×10542031511111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10542031511113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46297040 + ... + 46524186.

It is an arithmetic number, because the mean of its divisors is an integer number (665532736896).

Almost surely, 2^{10542031511111} is an apocalyptic number.

10542031511111 is a deficient number, since it is larger than the sum of its proper divisors (106492279225).

10542031511111 is a wasteful number, since it uses less digits than its factorization.

10542031511111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228398.

The product of its (nonzero) digits is 600, while the sum is 26.

Adding to 10542031511111 its reverse (11111513024501), we get a palindrome (21653544535612).

The spelling of 10542031511111 in words is "ten trillion, five hundred forty-two billion, thirty-one million, five hundred eleven thousand, one hundred eleven".