28528600613061 has 32 divisors (see below), whose sum is σ = 39377156308992. Its totient is φ = 18353078700480.

The previous prime is 28528600613059. The next prime is 28528600613089. The reversal of 28528600613061 is 16031600682582.

It is a happy number.

It is not a de Polignac number, because 28528600613061 - 2¹ = 28528600613059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28528600613061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28528600614061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151393446 + ... + 151581768.

It is an arithmetic number, because the mean of its divisors is an integer number (1230536134656).

Almost surely, 2^{28528600613061} is an apocalyptic number.

It is an amenable number.

28528600613061 is a deficient number, since it is larger than the sum of its proper divisors (10848555695931).

28528600613061 is a wasteful number, since it uses less digits than its factorization.

28528600613061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192993.

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 28528600613061 in words is "twenty-eight trillion, five hundred twenty-eight billion, six hundred million, six hundred thirteen thousand, sixty-one".