1553441144425 has 12 divisors (see below), whose sum is σ = 1927461283020. Its totient is φ = 1241982422720.

The previous prime is 1553441144407. The next prime is 1553441144443. The reversal of 1553441144425 is 5244411443551.

It is an interprime number because it is at equal distance from previous prime (1553441144407) and next prime (1553441144443).

It can be written as a sum of positive squares in 6 ways, for example, as 4043560921 + 1549397583504 = 63589^2 + 1244748^2 .

It is not a de Polignac number, because 1553441144425 - 2¹⁷ = 1553441013353 is a prime.

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, 19221190 + ... + 19301839.

It is an arithmetic number, because the mean of its divisors is an integer number (160621773585).

Almost surely, 2^{1553441144425} is an apocalyptic number.

It is an amenable number.

1553441144425 is a deficient number, since it is larger than the sum of its proper divisors (374020138595).

1553441144425 is a wasteful number, since it uses less digits than its factorization.

1553441144425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38524652 (or 38524647 counting only the distinct ones).

The product of its digits is 768000, while the sum is 43.

Adding to 1553441144425 its reverse (5244411443551), we get a palindrome (6797852587976).

The spelling of 1553441144425 in words is "one trillion, five hundred fifty-three billion, four hundred forty-one million, one hundred forty-four thousand, four hundred twenty-five".