1303340143555 has 32 divisors (see below), whose sum is σ = 1580733887040. Its totient is φ = 1031589457920.

The previous prime is 1303340143519. The next prime is 1303340143561. The reversal of 1303340143555 is 5553410433031.

It is a de Polignac number, because none of the positive numbers 2^k-1303340143555 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369321031 + ... + 369324559.

It is an arithmetic number, because the mean of its divisors is an integer number (49397933970).

Almost surely, 2^{1303340143555} is an apocalyptic number.

1303340143555 is a deficient number, since it is larger than the sum of its proper divisors (277393743485).

1303340143555 is a wasteful number, since it uses less digits than its factorization.

1303340143555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5719.

The product of its (nonzero) digits is 162000, while the sum is 37.

Adding to 1303340143555 its reverse (5553410433031), we get a palindrome (6856750576586).

The spelling of 1303340143555 in words is "one trillion, three hundred three billion, three hundred forty million, one hundred forty-three thousand, five hundred fifty-five".