6143660142515 has 64 divisors (see below), whose sum is σ = 8782760448000. Its totient is φ = 4122085339008.

The previous prime is 6143660142427. The next prime is 6143660142577. The reversal of 6143660142515 is 5152410663416.

It is not a de Polignac number, because 6143660142515 - 2⁸ = 6143660142259 is a prime.

It is a super-2 number, since 2×6143660142515² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 417445937 + ... + 417460653.

It is an arithmetic number, because the mean of its divisors is an integer number (137230632000).

Almost surely, 2^{6143660142515} is an apocalyptic number.

6143660142515 is a deficient number, since it is larger than the sum of its proper divisors (2639100305485).

6143660142515 is a wasteful number, since it uses less digits than its factorization.

6143660142515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19969 (or 19955 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 6143660142515 in words is "six trillion, one hundred forty-three billion, six hundred sixty million, one hundred forty-two thousand, five hundred fifteen".