28551707101 has 8 divisors (see below), whose sum is σ = 29118852000. Its totient is φ = 27987336240.

The previous prime is 28551707047. The next prime is 28551707117. The reversal of 28551707101 is 10170715582.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28551707101 - 2¹¹ = 28551705053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28551707131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672715 + ... + 713896.

It is an arithmetic number, because the mean of its divisors is an integer number (3639856500).

Almost surely, 2^28551707101 is an apocalyptic number.

It is an amenable number.

28551707101 is a deficient number, since it is larger than the sum of its proper divisors (567144899).

28551707101 is a wasteful number, since it uses less digits than its factorization.

28551707101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387019.

The product of its (nonzero) digits is 19600, while the sum is 37.

The spelling of 28551707101 in words is "twenty-eight billion, five hundred fifty-one million, seven hundred seven thousand, one hundred one".