2051101355533 has 4 divisors (see below), whose sum is σ = 2051113393600. Its totient is φ = 2051089317468.

The previous prime is 2051101355509. The next prime is 2051101355551. The reversal of 2051101355533 is 3355531011502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2051101355533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051101358533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5759733 + ... + 6105466.

It is an arithmetic number, because the mean of its divisors is an integer number (512778348400).

Almost surely, 2^{2051101355533} is an apocalyptic number.

It is an amenable number.

2051101355533 is a deficient number, since it is larger than the sum of its proper divisors (12038067).

2051101355533 is a wasteful number, since it uses less digits than its factorization.

2051101355533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12038066.

The product of its (nonzero) digits is 33750, while the sum is 34.

The spelling of 2051101355533 in words is "two trillion, fifty-one billion, one hundred one million, three hundred fifty-five thousand, five hundred thirty-three".