27421202565152 has 48 divisors (see below), whose sum is σ = 58897420710912. Its totient is φ = 12463303384320.

The previous prime is 27421202565121. The next prime is 27421202565173. The reversal of 27421202565152 is 25156520212472.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2259218 + ... + 7742510.

It is an arithmetic number, because the mean of its divisors is an integer number (1227029598144).

Almost surely, 2^{27421202565152} is an apocalyptic number.

27421202565152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27421202565152 is an abundant number, since it is smaller than the sum of its proper divisors (31476218145760).

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

27421202565152 is a wasteful number, since it uses less digits than its factorization.

27421202565152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497521 (or 5497513 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 44.

The spelling of 27421202565152 in words is "twenty-seven trillion, four hundred twenty-one billion, two hundred two million, five hundred sixty-five thousand, one hundred fifty-two".