1153038457840 has 40 divisors (see below), whose sum is σ = 2685576179088. Its totient is φ = 460396154880.

The previous prime is 1153038457793. The next prime is 1153038457841. The reversal of 1153038457840 is 487548303511.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153038457841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12755121 + ... + 12845200.

Almost surely, 2^{1153038457840} is an apocalyptic number.

1153038457840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153038457840 is an abundant number, since it is smaller than the sum of its proper divisors (1532537721248).

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

1153038457840 is a wasteful number, since it uses less digits than its factorization.

1153038457840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25600897 (or 25600891 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 1153038457840 in words is "one trillion, one hundred fifty-three billion, thirty-eight million, four hundred fifty-seven thousand, eight hundred forty".