1143887451395 has 64 divisors (see below), whose sum is σ = 1604115878400. Its totient is φ = 775914163200.

The previous prime is 1143887451383. The next prime is 1143887451439. The reversal of 1143887451395 is 5931547883411.

It is not a de Polignac number, because 1143887451395 - 2⁸ = 1143887451139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

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, 5211620 + ... + 5426670.

It is an arithmetic number, because the mean of its divisors is an integer number (25064310600).

Almost surely, 2^{1143887451395} is an apocalyptic number.

1143887451395 is a deficient number, since it is larger than the sum of its proper divisors (460228427005).

1143887451395 is a wasteful number, since it uses less digits than its factorization.

1143887451395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215220.

The product of its digits is 14515200, while the sum is 59.

The spelling of 1143887451395 in words is "one trillion, one hundred forty-three billion, eight hundred eighty-seven million, four hundred fifty-one thousand, three hundred ninety-five".