1156212313140 has 48 divisors (see below), whose sum is σ = 3244417102080. Its totient is φ = 307654462080.

The previous prime is 1156212313127. The next prime is 1156212313159. The reversal of 1156212313140 is 413132126511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1156212313098 and 1156212313107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20872780 + ... + 20928099.

It is an arithmetic number, because the mean of its divisors is an integer number (67592022960).

Almost surely, 2^{1156212313140} is an apocalyptic number.

1156212313140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1156212313140 is an abundant number, since it is smaller than the sum of its proper divisors (2088204788940).

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

1156212313140 is a wasteful number, since it uses less digits than its factorization.

1156212313140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41801352 (or 41801350 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 1156212313140 its reverse (413132126511), we get a palindrome (1569344439651).

The spelling of 1156212313140 in words is "one trillion, one hundred fifty-six billion, two hundred twelve million, three hundred thirteen thousand, one hundred forty".