1074156542000 has 80 divisors (see below), whose sum is σ = 2602735200000. Its totient is φ = 428765235200.

The previous prime is 1074156541999. The next prime is 1074156542021. The reversal of 1074156542000 is 2456514701.

It is a tau number, because it is divible by the number of its divisors (80).

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, 397376 + ... + 1518624.

It is an arithmetic number, because the mean of its divisors is an integer number (32534190000).

Almost surely, 2^{1074156542000} is an apocalyptic number.

1074156542000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1074156542000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301367600000).

1074156542000 is an abundant number, since it is smaller than the sum of its proper divisors (1528578658000).

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

1074156542000 is a wasteful number, since it uses less digits than its factorization.

1074156542000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121751 (or 1121735 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 1074156542000 in words is "one trillion, seventy-four billion, one hundred fifty-six million, five hundred forty-two thousand".