1162146623542 has 4 divisors (see below), whose sum is σ = 1743219935316. Its totient is φ = 581073311770.

The previous prime is 1162146623537. The next prime is 1162146623557. The reversal of 1162146623542 is 2453266412611.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1162146623542² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290536655884 + ... + 290536655887.

It is an arithmetic number, because the mean of its divisors is an integer number (435804983829).

Almost surely, 2^{1162146623542} is an apocalyptic number.

1162146623542 is a deficient number, since it is larger than the sum of its proper divisors (581073311774).

1162146623542 is an equidigital number, since it uses as much as digits as its factorization.

1162146623542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581073311773.

The product of its digits is 414720, while the sum is 43.

The spelling of 1162146623542 in words is "one trillion, one hundred sixty-two billion, one hundred forty-six million, six hundred twenty-three thousand, five hundred forty-two".