10543746885 has 64 divisors (see below), whose sum is σ = 20660355072. Its totient is φ = 4481750016.

The previous prime is 10543746881. The next prime is 10543746887. The reversal of 10543746885 is 58864734501.

It is not a de Polignac number, because 10543746885 - 2² = 10543746881 is a prime.

It is a super-2 number, since 2×10543746885² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10543746881) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112572 + ... + 183738.

It is an arithmetic number, because the mean of its divisors is an integer number (322818048).

Almost surely, 2^10543746885 is an apocalyptic number.

10543746885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10543746885 is a deficient number, since it is larger than the sum of its proper divisors (10116608187).

10543746885 is a wasteful number, since it uses less digits than its factorization.

10543746885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71282.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 10543746885 in words is "ten billion, five hundred forty-three million, seven hundred forty-six thousand, eight hundred eighty-five".