1143242104251 has 12 divisors (see below), whose sum is σ = 1650598068408. Its totient is φ = 703533602304.

The previous prime is 1143242104247. The next prime is 1143242104259. The reversal of 1143242104251 is 1524012423411.

It is not a de Polignac number, because 1143242104251 - 2² = 1143242104247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143242104259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1127457190 + ... + 1127458203.

It is an arithmetic number, because the mean of its divisors is an integer number (137549839034).

Almost surely, 2^{1143242104251} is an apocalyptic number.

1143242104251 is a deficient number, since it is larger than the sum of its proper divisors (507355964157).

1143242104251 is a wasteful number, since it uses less digits than its factorization.

1143242104251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254915422 (or 2254915409 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 1143242104251 its reverse (1524012423411), we get a palindrome (2667254527662).

The spelling of 1143242104251 in words is "one trillion, one hundred forty-three billion, two hundred forty-two million, one hundred four thousand, two hundred fifty-one".