1156167343542 has 48 divisors (see below), whose sum is σ = 2444312339712. Its totient is φ = 364526431920.

The previous prime is 1156167343537. The next prime is 1156167343543. The reversal of 1156167343542 is 2453437616511.

It is a junction number, because it is equal to n+sod(n) for n = 1156167343491 and 1156167343500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156167343543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 943783 + ... + 1789709.

It is an arithmetic number, because the mean of its divisors is an integer number (50923173744).

Almost surely, 2^{1156167343542} is an apocalyptic number.

1156167343542 is an abundant number, since it is smaller than the sum of its proper divisors (1288144996170).

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

1156167343542 is a wasteful number, since it uses less digits than its factorization.

1156167343542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846601 (or 846582 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 48.

The spelling of 1156167343542 in words is "one trillion, one hundred fifty-six billion, one hundred sixty-seven million, three hundred forty-three thousand, five hundred forty-two".