28318053151550 has 24 divisors (see below), whose sum is σ = 52671869505576. Its totient is φ = 11327158756640.

The previous prime is 28318053151547. The next prime is 28318053151567. The reversal of 28318053151550 is 5515135081382.

It is a junction number, because it is equal to n+sod(n) for n = 28318053151495 and 28318053151504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8192132 + ... + 11124168.

It is an arithmetic number, because the mean of its divisors is an integer number (2194661229399).

Almost surely, 2^{28318053151550} is an apocalyptic number.

28318053151550 is a deficient number, since it is larger than the sum of its proper divisors (24353816354026).

28318053151550 is a wasteful number, since it uses less digits than its factorization.

28318053151550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125212 (or 3125207 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 47.

The spelling of 28318053151550 in words is "twenty-eight trillion, three hundred eighteen billion, fifty-three million, one hundred fifty-one thousand, five hundred fifty".