28601806101 has 48 divisors (see below), whose sum is σ = 43677854208. Its totient is φ = 16479601600.

The previous prime is 28601806091. The next prime is 28601806109. The reversal of 28601806101 is 10160810682.

It is not a de Polignac number, because 28601806101 - 2¹³ = 28601797909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28601806109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29455546 + ... + 29456516.

It is an arithmetic number, because the mean of its divisors is an integer number (909955296).

Almost surely, 2^28601806101 is an apocalyptic number.

It is an amenable number.

28601806101 is a deficient number, since it is larger than the sum of its proper divisors (15076048107).

28601806101 is a wasteful number, since it uses less digits than its factorization.

28601806101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The spelling of 28601806101 in words is "twenty-eight billion, six hundred one million, eight hundred six thousand, one hundred one".