10855121744 has 10 divisors (see below), whose sum is σ = 21031798410. Its totient is φ = 5427560864.

The previous prime is 10855121731. The next prime is 10855121801. The reversal of 10855121744 is 44712155801.

It can be written as a sum of positive squares in only one way, i.e., 7658350144 + 3196771600 = 87512^2 + 56540^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10855121698 and 10855121707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339222539 + ... + 339222570.

It is an arithmetic number, because the mean of its divisors is an integer number (2103179841).

Almost surely, 2^10855121744 is an apocalyptic number.

It is an amenable number.

10855121744 is a deficient number, since it is larger than the sum of its proper divisors (10176676666).

10855121744 is an equidigital number, since it uses as much as digits as its factorization.

10855121744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678445117 (or 678445111 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 38.

The spelling of 10855121744 in words is "ten billion, eight hundred fifty-five million, one hundred twenty-one thousand, seven hundred forty-four".