28251370120652 has 24 divisors (see below), whose sum is σ = 56626378648224. Its totient is φ = 12081236107392.

The previous prime is 28251370120627. The next prime is 28251370120681. The reversal of 28251370120652 is 25602107315282.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103901323 + ... + 1103926914.

It is an arithmetic number, because the mean of its divisors is an integer number (2359432443676).

Almost surely, 2^{28251370120652} is an apocalyptic number.

It is an amenable number.

28251370120652 is an abundant number, since it is smaller than the sum of its proper divisors (28375008527572).

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

28251370120652 is a wasteful number, since it uses less digits than its factorization.

28251370120652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207828705 (or 2207828703 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 28251370120652 in words is "twenty-eight trillion, two hundred fifty-one billion, three hundred seventy million, one hundred twenty thousand, six hundred fifty-two".