1431420616552 has 32 divisors (see below), whose sum is σ = 2710923033600. Its totient is φ = 708510088000.

The previous prime is 1431420616537. The next prime is 1431420616589. The reversal of 1431420616552 is 2556160241341.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4998777 + ... + 5277367.

It is an arithmetic number, because the mean of its divisors is an integer number (84716344800).

Almost surely, 2^{1431420616552} is an apocalyptic number.

It is an amenable number.

1431420616552 is a deficient number, since it is larger than the sum of its proper divisors (1279502417048).

1431420616552 is a wasteful number, since it uses less digits than its factorization.

1431420616552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285057 (or 285053 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 1431420616552 its reverse (2556160241341), we get a palindrome (3987580857893).

The spelling of 1431420616552 in words is "one trillion, four hundred thirty-one billion, four hundred twenty million, six hundred sixteen thousand, five hundred fifty-two".