2448111021557 has 32 divisors (see below), whose sum is σ = 2706747235200. Its totient is φ = 2204937504000.

The previous prime is 2448111021547. The next prime is 2448111021571. The reversal of 2448111021557 is 7551201118442.

It is a cyclic number.

It is not a de Polignac number, because 2448111021557 - 2⁶ = 2448111021493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2448111021527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96746807 + ... + 96772107.

It is an arithmetic number, because the mean of its divisors is an integer number (84585851100).

Almost surely, 2^{2448111021557} is an apocalyptic number.

It is an amenable number.

2448111021557 is a deficient number, since it is larger than the sum of its proper divisors (258636213643).

2448111021557 is a wasteful number, since it uses less digits than its factorization.

2448111021557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28037.

The product of its (nonzero) digits is 89600, while the sum is 41.

Adding to 2448111021557 its reverse (7551201118442), we get a palindrome (9999312139999).

The spelling of 2448111021557 in words is "two trillion, four hundred forty-eight billion, one hundred eleven million, twenty-one thousand, five hundred fifty-seven".