25244556212057 has 8 divisors (see below), whose sum is σ = 31070223030336. Its totient is φ = 19973714805072.

The previous prime is 25244556212023. The next prime is 25244556212069. The reversal of 25244556212057 is 75021265544252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25244556212057 - 2¹⁶ = 25244556146521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25244556211996 and 25244556212014.

It is not an unprimeable number, because it can be changed into a prime (25244556212017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138706352723 + ... + 138706352904.

It is an arithmetic number, because the mean of its divisors is an integer number (3883777878792).

Almost surely, 2^{25244556212057} is an apocalyptic number.

It is an amenable number.

25244556212057 is a deficient number, since it is larger than the sum of its proper divisors (5825666818279).

25244556212057 is a wasteful number, since it uses less digits than its factorization.

25244556212057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277412705647.

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

The spelling of 25244556212057 in words is "twenty-five trillion, two hundred forty-four billion, five hundred fifty-six million, two hundred twelve thousand, fifty-seven".