1081758207452 has 24 divisors (see below), whose sum is σ = 2040243928800. Its totient is φ = 498894463296.

The previous prime is 1081758207449. The next prime is 1081758207463. The reversal of 1081758207452 is 2547028571801.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1081758207452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7817327 + ... + 7954502.

It is an arithmetic number, because the mean of its divisors is an integer number (85010163700).

Almost surely, 2^{1081758207452} is an apocalyptic number.

It is an amenable number.

1081758207452 is a deficient number, since it is larger than the sum of its proper divisors (958485721348).

1081758207452 is a wasteful number, since it uses less digits than its factorization.

1081758207452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15773165 (or 15773163 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 50.

The spelling of 1081758207452 in words is "one trillion, eighty-one billion, seven hundred fifty-eight million, two hundred seven thousand, four hundred fifty-two".