2311491420160 has 352 divisors, whose sum is σ = 6178308982272. Its totient is φ = 824432394240.

The previous prime is 2311491420151. The next prime is 2311491420167. The reversal of 2311491420160 is 610241941132.

It is not an unprimeable number, because it can be changed into a prime (2311491420167) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4225761007 + ... + 4225761553.

Almost surely, 2^{2311491420160} is an apocalyptic number.

2311491420160 is a gapful number since it is divisible by the number (20) 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 2311491420160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3089154491136).

2311491420160 is an abundant number, since it is smaller than the sum of its proper divisors (3866817562112).

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

2311491420160 is an frugal number, since it uses more digits than its factorization.

2311491420160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 2311491420160 in words is "two trillion, three hundred eleven billion, four hundred ninety-one million, four hundred twenty thousand, one hundred sixty".