10801085503 has 24 divisors (see below), whose sum is σ = 12076278144. Its totient is φ = 9602867520.

The previous prime is 10801085501. The next prime is 10801085513. The reversal of 10801085503 is 30558010801.

It is not a de Polignac number, because 10801085503 - 2¹ = 10801085501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10801085501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2784001 + ... + 2787877.

It is an arithmetic number, because the mean of its divisors is an integer number (503178256).

Almost surely, 2^10801085503 is an apocalyptic number.

10801085503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10801085503 is a deficient number, since it is larger than the sum of its proper divisors (1275192641).

10801085503 is a wasteful number, since it uses less digits than its factorization.

10801085503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175 (or 4144 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 31.

The spelling of 10801085503 in words is "ten billion, eight hundred one million, eighty-five thousand, five hundred three".