1157948405844 has 12 divisors (see below), whose sum is σ = 2701879613664. Its totient is φ = 385982801944.

The previous prime is 1157948405827. The next prime is 1157948405851. The reversal of 1157948405844 is 4485048497511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48247850232 + ... + 48247850255.

It is an arithmetic number, because the mean of its divisors is an integer number (225156634472).

Almost surely, 2^{1157948405844} is an apocalyptic number.

It is an amenable number.

1157948405844 is an abundant number, since it is smaller than the sum of its proper divisors (1543931207820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1157948405844 is a wasteful number, since it uses less digits than its factorization.

1157948405844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96495700494 (or 96495700492 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 60.

The spelling of 1157948405844 in words is "one trillion, one hundred fifty-seven billion, nine hundred forty-eight million, four hundred five thousand, eight hundred forty-four".