1901332331124 has 48 divisors (see below), whose sum is σ = 4580042073600. Its totient is φ = 613267528320.

The previous prime is 1901332331111. The next prime is 1901332331147. The reversal of 1901332331124 is 4211332331091.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3278202 + ... + 3814350.

It is an arithmetic number, because the mean of its divisors is an integer number (95417543200).

Almost surely, 2^{1901332331124} is an apocalyptic number.

It is an amenable number.

1901332331124 is an abundant number, since it is smaller than the sum of its proper divisors (2678709742476).

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

1901332331124 is a wasteful number, since it uses less digits than its factorization.

1901332331124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545720 (or 545718 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

Subtracting from 1901332331124 its sum of digits (33), we obtain a palindrome (1901332331091).

The spelling of 1901332331124 in words is "one trillion, nine hundred one billion, three hundred thirty-two million, three hundred thirty-one thousand, one hundred twenty-four".