1118345532642 has 96 divisors (see below), whose sum is σ = 2653996800000. Its totient is φ = 338242469760.

The previous prime is 1118345532637. The next prime is 1118345532659. The reversal of 1118345532642 is 2462355438111.

1118345532642 is a `hidden beast` number, since 1 + 1 + 1 + 8 + 34 + 553 + 2 + 64 + 2 = 666.

It is a super-3 number, since 3×1118345532642³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22342359 + ... + 22392357.

It is an arithmetic number, because the mean of its divisors is an integer number (27645800000).

Almost surely, 2^{1118345532642} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118345532642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326998400000).

1118345532642 is an abundant number, since it is smaller than the sum of its proper divisors (1535651267358).

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

1118345532642 is a wasteful number, since it uses less digits than its factorization.

1118345532642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51648 (or 51645 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The spelling of 1118345532642 in words is "one trillion, one hundred eighteen billion, three hundred forty-five million, five hundred thirty-two thousand, six hundred forty-two".