1143125916251 has 8 divisors (see below), whose sum is σ = 1248888480624. Its totient is φ = 1037670356320.

The previous prime is 1143125916241. The next prime is 1143125916311. The reversal of 1143125916251 is 1526195213411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143125916251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1143125916199 and 1143125916208.

It is not an unprimeable number, because it can be changed into a prime (1143125916241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76743320 + ... + 76758213.

It is an arithmetic number, because the mean of its divisors is an integer number (156111060078).

Almost surely, 2^{1143125916251} is an apocalyptic number.

1143125916251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1143125916251 is a deficient number, since it is larger than the sum of its proper divisors (105762564373).

1143125916251 is a wasteful number, since it uses less digits than its factorization.

1143125916251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153502221.

The product of its digits is 64800, while the sum is 41.

The spelling of 1143125916251 in words is "one trillion, one hundred forty-three billion, one hundred twenty-five million, nine hundred sixteen thousand, two hundred fifty-one".