11001650505061 has 4 divisors (see below), whose sum is σ = 11257502842432. Its totient is φ = 10745798167692.

The previous prime is 11001650505049. The next prime is 11001650505077. The reversal of 11001650505061 is 16050505610011.

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 not a de Polignac number, because 11001650505061 - 2⁹ = 11001650504549 is a prime.

It is a super-3 number, since 3×11001650505061³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001650505661) 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, 127926168621 + ... + 127926168706.

It is an arithmetic number, because the mean of its divisors is an integer number (2814375710608).

Almost surely, 2^{11001650505061} is an apocalyptic number.

It is an amenable number.

11001650505061 is a deficient number, since it is larger than the sum of its proper divisors (255852337371).

11001650505061 is an equidigital number, since it uses as much as digits as its factorization.

11001650505061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255852337370.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 11001650505061 in words is "eleven trillion, one billion, six hundred fifty million, five hundred five thousand, sixty-one".