1552444423135 has 16 divisors (see below), whose sum is σ = 1928919795840. Its totient is φ = 1198042209280.

The previous prime is 1552444423133. The next prime is 1552444423139. The reversal of 1552444423135 is 5313244442551.

It is a happy number.

It is not a de Polignac number, because 1552444423135 - 2¹ = 1552444423133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1552444423091 and 1552444423100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552444423133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4693426 + ... + 5013295.

It is an arithmetic number, because the mean of its divisors is an integer number (120557487240).

Almost surely, 2^{1552444423135} is an apocalyptic number.

1552444423135 is a deficient number, since it is larger than the sum of its proper divisors (376475372705).

1552444423135 is a wasteful number, since it uses less digits than its factorization.

1552444423135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9707858.

The product of its digits is 1152000, while the sum is 43.

Adding to 1552444423135 its reverse (5313244442551), we get a palindrome (6865688865686).

The spelling of 1552444423135 in words is "one trillion, five hundred fifty-two billion, four hundred forty-four million, four hundred twenty-three thousand, one hundred thirty-five".