201311411454 has 64 divisors (see below), whose sum is σ = 456884815680. Its totient is φ = 65680917120.

The previous prime is 201311411423. The next prime is 201311411473. The reversal of 201311411454 is 454114113102.

It is a happy number.

201311411454 is a `hidden beast` number, since 201 + 3 + 1 + 1 + 4 + 1 + 1 + 454 = 666.

201311411454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1121364 + ... + 1288440.

It is an arithmetic number, because the mean of its divisors is an integer number (7138825245).

Almost surely, 2^201311411454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201311411454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228442407840).

201311411454 is an abundant number, since it is smaller than the sum of its proper divisors (255573404226).

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

201311411454 is a wasteful number, since it uses less digits than its factorization.

201311411454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167562 (or 167556 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 201311411454 its reverse (454114113102), we get a palindrome (655425524556).

The spelling of 201311411454 in words is "two hundred one billion, three hundred eleven million, four hundred eleven thousand, four hundred fifty-four".