6011010106509 has 4 divisors (see below), whose sum is σ = 8014680142016. Its totient is φ = 4007340071004.

The previous prime is 6011010106469. The next prime is 6011010106553. The reversal of 6011010106509 is 9056010101106.

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 not a de Polignac number, because 6011010106509 - 2¹⁵ = 6011010073741 is a prime.

It is a super-2 number, since 2×6011010106509² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6011010106009) 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, 1001835017749 + ... + 1001835017754.

It is an arithmetic number, because the mean of its divisors is an integer number (2003670035504).

Almost surely, 2^{6011010106509} is an apocalyptic number.

It is an amenable number.

6011010106509 is a deficient number, since it is larger than the sum of its proper divisors (2003670035507).

6011010106509 is a wasteful number, since it uses less digits than its factorization.

6011010106509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003670035506.

The product of its (nonzero) digits is 1620, while the sum is 30.

The spelling of 6011010106509 in words is "six trillion, eleven billion, ten million, one hundred six thousand, five hundred nine".