10543953511 has 16 divisors (see below), whose sum is σ = 13018146624. Its totient is φ = 8316129024.

The previous prime is 10543953481. The next prime is 10543953521. The reversal of 10543953511 is 11535934501.

It is a happy number.

It is not a de Polignac number, because 10543953511 - 2⁷ = 10543953383 is a prime.

It is a super-2 number, since 2×10543953511² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10543953521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153910 + ... + 211603.

It is an arithmetic number, because the mean of its divisors is an integer number (813634164).

Almost surely, 2^10543953511 is an apocalyptic number.

10543953511 is a deficient number, since it is larger than the sum of its proper divisors (2474193113).

10543953511 is a wasteful number, since it uses less digits than its factorization.

10543953511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365850.

The product of its (nonzero) digits is 40500, while the sum is 37.

The spelling of 10543953511 in words is "ten billion, five hundred forty-three million, nine hundred fifty-three thousand, five hundred eleven".