11601601355420 has 48 divisors (see below), whose sum is σ = 24409701727488. Its totient is φ = 4631817984000.

The previous prime is 11601601355417. The next prime is 11601601355429. The reversal of 11601601355420 is 2455310610611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11601601355429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48452714 + ... + 48691566.

It is an arithmetic number, because the mean of its divisors is an integer number (508535452656).

Almost surely, 2^{11601601355420} is an apocalyptic number.

11601601355420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11601601355420 is an abundant number, since it is smaller than the sum of its proper divisors (12808100372068).

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

11601601355420 is a wasteful number, since it uses less digits than its factorization.

11601601355420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243470 (or 243468 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 11601601355420 in words is "eleven trillion, six hundred one billion, six hundred one million, three hundred fifty-five thousand, four hundred twenty".