27355212425 has 12 divisors (see below), whose sum is σ = 33954516876. Its totient is φ = 21862200000.

The previous prime is 27355212281. The next prime is 27355212427. The reversal of 27355212425 is 52421255372.

It can be written as a sum of positive squares in 6 ways, for example, as 3794190409 + 23561022016 = 61597^2 + 153496^2 .

It is not a de Polignac number, because 27355212425 - 2¹⁴ = 27355196041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27355212427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 523826 + ... + 573675.

It is an arithmetic number, because the mean of its divisors is an integer number (2829543073).

Almost surely, 2^27355212425 is an apocalyptic number.

27355212425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27355212425 is a deficient number, since it is larger than the sum of its proper divisors (6599304451).

27355212425 is a wasteful number, since it uses less digits than its factorization.

27355212425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098508 (or 1098503 counting only the distinct ones).

The product of its digits is 168000, while the sum is 38.

Adding to 27355212425 its reverse (52421255372), we get a palindrome (79776467797).

The spelling of 27355212425 in words is "twenty-seven billion, three hundred fifty-five million, two hundred twelve thousand, four hundred twenty-five".