1101123159378 has 64 divisors (see below), whose sum is σ = 2419103826432. Its totient is φ = 331363975680.

The previous prime is 1101123159361. The next prime is 1101123159391. The reversal of 1101123159378 is 8739513211011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13762626 + ... + 13842402.

It is an arithmetic number, because the mean of its divisors is an integer number (37798497288).

Almost surely, 2^{1101123159378} is an apocalyptic number.

1101123159378 is an abundant number, since it is smaller than the sum of its proper divisors (1317980667054).

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

1101123159378 is a wasteful number, since it uses less digits than its factorization.

1101123159378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81239.

The product of its (nonzero) digits is 45360, while the sum is 42.

The spelling of 1101123159378 in words is "one trillion, one hundred one billion, one hundred twenty-three million, one hundred fifty-nine thousand, three hundred seventy-eight".