1143809625782 has 48 divisors (see below), whose sum is σ = 1781188194240. Its totient is φ = 550772092416.

The previous prime is 1143809625767. The next prime is 1143809625787. The reversal of 1143809625782 is 2875269083411.

It is a super-2 number, since 2×1143809625782² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143809625787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76773758 + ... + 76788654.

It is an arithmetic number, because the mean of its divisors is an integer number (37108087380).

It is a 1-persistent number, because it is pandigital, but 2⋅1143809625782 = 2287619251564 is not.

Almost surely, 2^{1143809625782} is an apocalyptic number.

1143809625782 is a deficient number, since it is larger than the sum of its proper divisors (637378568458).

1143809625782 is a wasteful number, since it uses less digits than its factorization.

1143809625782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15257 (or 15204 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 1143809625782 in words is "one trillion, one hundred forty-three billion, eight hundred nine million, six hundred twenty-five thousand, seven hundred eighty-two".