1142026244561 has 8 divisors (see below), whose sum is σ = 1145463527520. Its totient is φ = 1138591194048.

The previous prime is 1142026244537. The next prime is 1142026244581. The reversal of 1142026244561 is 1654426202411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142026244561 - 2¹⁰ = 1142026243537 is a prime.

It is a super-2 number, since 2×1142026244561² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142026244581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469385 + ... + 1582521.

It is an arithmetic number, because the mean of its divisors is an integer number (143182940940).

Almost surely, 2^{1142026244561} is an apocalyptic number.

It is an amenable number.

1142026244561 is a deficient number, since it is larger than the sum of its proper divisors (3437282959).

1142026244561 is a wasteful number, since it uses less digits than its factorization.

1142026244561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116223.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 1142026244561 in words is "one trillion, one hundred forty-two billion, twenty-six million, two hundred forty-four thousand, five hundred sixty-one".