1552531510423 has 6 divisors (see below), whose sum is σ = 1579291608944. Its totient is φ = 1526217413604.

The previous prime is 1552531510349. The next prime is 1552531510427. The reversal of 1552531510423 is 3240151352551.

It is a de Polignac number, because none of the positive numbers 2^k-1552531510423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552531510427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 222997311 + ... + 223004272.

Almost surely, 2^{1552531510423} is an apocalyptic number.

1552531510423 is a deficient number, since it is larger than the sum of its proper divisors (26760098521).

1552531510423 is an frugal number, since it uses more digits than its factorization.

1552531510423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446001701 (or 446001642 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

Adding to 1552531510423 its reverse (3240151352551), we get a palindrome (4792682862974).

The spelling of 1552531510423 in words is "one trillion, five hundred fifty-two billion, five hundred thirty-one million, five hundred ten thousand, four hundred twenty-three".