12451151553 has 8 divisors (see below), whose sum is σ = 16882917600. Its totient is φ = 8160076608.

The previous prime is 12451151491. The next prime is 12451151623. The reversal of 12451151553 is 35515115421.

It is a happy number.

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

It is not a de Polignac number, because 12451151553 - 2¹⁰ = 12451150529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12451150553) 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, 35172568 + ... + 35172921.

It is an arithmetic number, because the mean of its divisors is an integer number (2110364700).

Almost surely, 2^12451151553 is an apocalyptic number.

It is an amenable number.

12451151553 is a deficient number, since it is larger than the sum of its proper divisors (4431766047).

12451151553 is an equidigital number, since it uses as much as digits as its factorization.

12451151553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70345551.

The product of its digits is 15000, while the sum is 33.

Adding to 12451151553 its reverse (35515115421), we get a palindrome (47966266974).

The spelling of 12451151553 in words is "twelve billion, four hundred fifty-one million, one hundred fifty-one thousand, five hundred fifty-three".