21352455274514 has 32 divisors (see below), whose sum is σ = 39422066347776. Its totient is φ = 8446664681280.

The previous prime is 21352455274511. The next prime is 21352455274517. The reversal of 21352455274514 is 41547255425312.

It is an interprime number because it is at equal distance from previous prime (21352455274511) and next prime (21352455274517).

It is not an unprimeable number, because it can be changed into a prime (21352455274511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159659 + ... + 6536849.

It is an arithmetic number, because the mean of its divisors is an integer number (1231939573368).

Almost surely, 2^{21352455274514} is an apocalyptic number.

21352455274514 is a deficient number, since it is larger than the sum of its proper divisors (18069611073262).

21352455274514 is a wasteful number, since it uses less digits than its factorization.

21352455274514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395610.

The product of its digits is 6720000, while the sum is 50.

The spelling of 21352455274514 in words is "twenty-one trillion, three hundred fifty-two billion, four hundred fifty-five million, two hundred seventy-four thousand, five hundred fourteen".