201311962852 has 192 divisors, whose sum is σ = 477721681920. Its totient is φ = 71683315200.

The previous prime is 201311962849. The next prime is 201311962877. The reversal of 201311962852 is 258269113102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 201917218 + ... + 201918214.

It is an arithmetic number, because the mean of its divisors is an integer number (2488133760).

Almost surely, 2^201311962852 is an apocalyptic number.

201311962852 is a gapful number since it is divisible by the number (22) 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 201311962852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238860840960).

201311962852 is an abundant number, since it is smaller than the sum of its proper divisors (276409719068).

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

201311962852 is a wasteful number, since it uses less digits than its factorization.

201311962852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 201311962852 in words is "two hundred one billion, three hundred eleven million, nine hundred sixty-two thousand, eight hundred fifty-two".