1143013653515 has 16 divisors (see below), whose sum is σ = 1442177485056. Its totient is φ = 867977167200.

The previous prime is 1143013653503. The next prime is 1143013653533. The reversal of 1143013653515 is 5153563103411.

It is not a de Polignac number, because 1143013653515 - 2⁸ = 1143013653259 is a prime.

It is a Duffinian 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, 37921001 + ... + 37951130.

It is an arithmetic number, because the mean of its divisors is an integer number (90136092816).

Almost surely, 2^{1143013653515} is an apocalyptic number.

1143013653515 is a deficient number, since it is larger than the sum of its proper divisors (299163831541).

1143013653515 is a wasteful number, since it uses less digits than its factorization.

1143013653515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75872290.

The product of its (nonzero) digits is 81000, while the sum is 38.

Adding to 1143013653515 its reverse (5153563103411), we get a palindrome (6296576756926).

The spelling of 1143013653515 in words is "one trillion, one hundred forty-three billion, thirteen million, six hundred fifty-three thousand, five hundred fifteen".