1553252524403 has 2 divisors, whose sum is σ = 1553252524404. Its totient is φ = 1553252524402.

The previous prime is 1553252524387. The next prime is 1553252524429. The reversal of 1553252524403 is 3044252523551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1553252524403 - 2⁴ = 1553252524387 is a prime.

It is a super-2 number, since 2×1553252524403² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1553252524493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776626262201 + 776626262202.

It is an arithmetic number, because the mean of its divisors is an integer number (776626262202).

Almost surely, 2^{1553252524403} is an apocalyptic number.

1553252524403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553252524403 is an equidigital number, since it uses as much as digits as its factorization.

1553252524403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 1553252524403 in words is "one trillion, five hundred fifty-three billion, two hundred fifty-two million, five hundred twenty-four thousand, four hundred three".