1157206143446 has 16 divisors (see below), whose sum is σ = 1746281424384. Its totient is φ = 575122648704.

The previous prime is 1157206143389. The next prime is 1157206143461. The reversal of 1157206143446 is 6443416027511.

It is a junction number, because it is equal to n+sod(n) for n = 1157206143397 and 1157206143406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2353571 + ... + 2802446.

It is an arithmetic number, because the mean of its divisors is an integer number (109142589024).

Almost surely, 2^{1157206143446} is an apocalyptic number.

1157206143446 is a deficient number, since it is larger than the sum of its proper divisors (589075280938).

1157206143446 is a wasteful number, since it uses less digits than its factorization.

1157206143446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5156695.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 1157206143446 in words is "one trillion, one hundred fifty-seven billion, two hundred six million, one hundred forty-three thousand, four hundred forty-six".