10855172312 has 8 divisors (see below), whose sum is σ = 20353448100. Its totient is φ = 5427586152.

The previous prime is 10855172269. The next prime is 10855172329. The reversal of 10855172312 is 21327155801.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10855172312² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678448262 + ... + 678448277.

Almost surely, 2^10855172312 is an apocalyptic number.

It is an amenable number.

10855172312 is a deficient number, since it is larger than the sum of its proper divisors (9498275788).

10855172312 is a wasteful number, since it uses less digits than its factorization.

10855172312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356896545 (or 1356896541 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 35.

The spelling of 10855172312 in words is "ten billion, eight hundred fifty-five million, one hundred seventy-two thousand, three hundred twelve".