1553532241451 has 4 divisors (see below), whose sum is σ = 1554597035400. Its totient is φ = 1552467447504.

The previous prime is 1553532241433. The next prime is 1553532241453. The reversal of 1553532241451 is 1541422353551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1553532241451 - 2¹⁴ = 1553532225067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1553532241399 and 1553532241408.

It is not an unprimeable number, because it can be changed into a prime (1553532241453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532394786 + ... + 532397703.

It is an arithmetic number, because the mean of its divisors is an integer number (388649258850).

Almost surely, 2^{1553532241451} is an apocalyptic number.

1553532241451 is a deficient number, since it is larger than the sum of its proper divisors (1064793949).

1553532241451 is a wasteful number, since it uses less digits than its factorization.

1553532241451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064793948.

The product of its digits is 360000, while the sum is 41.

The spelling of 1553532241451 in words is "one trillion, five hundred fifty-three billion, five hundred thirty-two million, two hundred forty-one thousand, four hundred fifty-one".