1553543245412 has 48 divisors (see below), whose sum is σ = 2788543015104. Its totient is φ = 756904176000.

The previous prime is 1553543245381. The next prime is 1553543245439. The reversal of 1553543245412 is 2145423453551.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255052487 + ... + 255058577.

It is an arithmetic number, because the mean of its divisors is an integer number (58094646148).

Almost surely, 2^{1553543245412} is an apocalyptic number.

It is an amenable number.

1553543245412 is a deficient number, since it is larger than the sum of its proper divisors (1234999769692).

1553543245412 is a wasteful number, since it uses less digits than its factorization.

1553543245412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9420 (or 9418 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 44.

Adding to 1553543245412 its reverse (2145423453551), we get a palindrome (3698966698963).

The spelling of 1553543245412 in words is "one trillion, five hundred fifty-three billion, five hundred forty-three million, two hundred forty-five thousand, four hundred twelve".