1900011111133 has 8 divisors (see below), whose sum is σ = 1907987671296. Its totient is φ = 1892037780000.

The previous prime is 1900011111107. The next prime is 1900011111137. The reversal of 1900011111133 is 3311111100091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1900011111133 is a prime.

It is a super-2 number, since 2×1900011111133² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900011111137) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 375673 + ... + 1985233.

It is an arithmetic number, because the mean of its divisors is an integer number (238498458912).

Almost surely, 2^{1900011111133} is an apocalyptic number.

It is an amenable number.

1900011111133 is a deficient number, since it is larger than the sum of its proper divisors (7976560163).

1900011111133 is a wasteful number, since it uses less digits than its factorization.

1900011111133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614515.

The product of its (nonzero) digits is 81, while the sum is 22.

The spelling of 1900011111133 in words is "one trillion, nine hundred billion, eleven million, one hundred eleven thousand, one hundred thirty-three".