28352502551 has 8 divisors (see below), whose sum is σ = 28582783920. Its totient is φ = 28123020288.

The previous prime is 28352502407. The next prime is 28352502553. The reversal of 28352502551 is 15520525382.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28352502551 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 (28352502553) 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, 128426 + ... + 270551.

It is an arithmetic number, because the mean of its divisors is an integer number (3572847990).

Almost surely, 2^28352502551 is an apocalyptic number.

28352502551 is a deficient number, since it is larger than the sum of its proper divisors (230281369).

28352502551 is a wasteful number, since it uses less digits than its factorization.

28352502551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399553.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 28352502551 in words is "twenty-eight billion, three hundred fifty-two million, five hundred two thousand, five hundred fifty-one".