2153663523425 has 12 divisors (see below), whose sum is σ = 2671970161536. Its totient is φ = 1722009920400.

The previous prime is 2153663523409. The next prime is 2153663523463. The reversal of 2153663523425 is 5243253663512.

It is a happy number.

It is not a de Polignac number, because 2153663523425 - 2⁴ = 2153663523409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2153663523425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22974749 + ... + 23068298.

It is an arithmetic number, because the mean of its divisors is an integer number (222664180128).

Almost surely, 2^{2153663523425} is an apocalyptic number.

2153663523425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2153663523425 is a deficient number, since it is larger than the sum of its proper divisors (518306638111).

2153663523425 is a wasteful number, since it uses less digits than its factorization.

2153663523425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46044928 (or 46044923 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 47.

The spelling of 2153663523425 in words is "two trillion, one hundred fifty-three billion, six hundred sixty-three million, five hundred twenty-three thousand, four hundred twenty-five".