6011001105501 has 24 divisors (see below), whose sum is σ = 9550580163264. Its totient is φ = 3351080752320.

The previous prime is 6011001105451. The next prime is 6011001105511. The reversal of 6011001105501 is 1055011001106.

It is a happy number.

It is not a de Polignac number, because 6011001105501 - 2⁶ = 6011001105437 is a prime.

It is a super-2 number, since 2×6011001105501² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6011001105511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 498666705 + ... + 498678758.

It is an arithmetic number, because the mean of its divisors is an integer number (397940840136).

Almost surely, 2^{6011001105501} is an apocalyptic number.

It is an amenable number.

6011001105501 is a deficient number, since it is larger than the sum of its proper divisors (3539579057763).

6011001105501 is a wasteful number, since it uses less digits than its factorization.

6011001105501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997345521 (or 997345514 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 6011001105501 its reverse (1055011001106), we get a palindrome (7066012106607).

The spelling of 6011001105501 in words is "six trillion, eleven billion, one million, one hundred five thousand, five hundred one".