1601235013452 has 24 divisors (see below), whose sum is σ = 3736235496000. Its totient is φ = 533742080976.

The previous prime is 1601235013373. The next prime is 1601235013507. The reversal of 1601235013452 is 2543105321061.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4071799 + ... + 4447697.

It is an arithmetic number, because the mean of its divisors is an integer number (155676479000).

Almost surely, 2^{1601235013452} is an apocalyptic number.

1601235013452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1601235013452 is an abundant number, since it is smaller than the sum of its proper divisors (2135000482548).

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

1601235013452 is a wasteful number, since it uses less digits than its factorization.

1601235013452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730885 (or 730883 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 1601235013452 in words is "one trillion, six hundred one billion, two hundred thirty-five million, thirteen thousand, four hundred fifty-two".