1157845808652 has 96 divisors (see below), whose sum is σ = 2943039536640. Its totient is φ = 352150740480.

The previous prime is 1157845808627. The next prime is 1157845808663. The reversal of 1157845808652 is 2568085487511.

It is a super-2 number, since 2×1157845808652² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54289663 + ... + 54310985.

It is an arithmetic number, because the mean of its divisors is an integer number (30656661840).

Almost surely, 2^{1157845808652} is an apocalyptic number.

1157845808652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157845808652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1471519768320).

1157845808652 is an abundant number, since it is smaller than the sum of its proper divisors (1785193727988).

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

1157845808652 is a wasteful number, since it uses less digits than its factorization.

1157845808652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25343 (or 25341 counting only the distinct ones).

The product of its (nonzero) digits is 21504000, while the sum is 60.

The spelling of 1157845808652 in words is "one trillion, one hundred fifty-seven billion, eight hundred forty-five million, eight hundred eight thousand, six hundred fifty-two".