28100604148002 has 12 divisors (see below), whose sum is σ = 60884642320710. Its totient is φ = 9366868049328.

The previous prime is 28100604147989. The next prime is 28100604148213. The reversal of 28100604148002 is 20084140600182.

28100604148002 is a `hidden beast` number, since 2 + 8 + 1 + 0 + 0 + 604 + 1 + 48 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20720531024361 + 7380073123641 = 4551981^2 + 2716629^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 780572337427 + ... + 780572337462.

Almost surely, 2^{28100604148002} is an apocalyptic number.

28100604148002 is an abundant number, since it is smaller than the sum of its proper divisors (32784038172708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28100604148002 is a wasteful number, since it uses less digits than its factorization.

28100604148002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561144674897 (or 1561144674894 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

Adding to 28100604148002 its reverse (20084140600182), we get a palindrome (48184744748184).

The spelling of 28100604148002 in words is "twenty-eight trillion, one hundred billion, six hundred four million, one hundred forty-eight thousand, two".