611000501001 has 16 divisors (see below), whose sum is σ = 892643113728. Its totient is φ = 368672037200.

The previous prime is 611000500987. The next prime is 611000501047. The reversal of 611000501001 is 100105000116.

It is a cyclic number.

It is not a de Polignac number, because 611000501001 - 2⁵ = 611000500969 is a prime.

It is a super-2 number, since 2×611000501001² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (611000502001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40774815 + ... + 40789796.

It is an arithmetic number, because the mean of its divisors is an integer number (55790194608).

Almost surely, 2^611000501001 is an apocalyptic number.

It is an amenable number.

611000501001 is a deficient number, since it is larger than the sum of its proper divisors (281642612727).

611000501001 is a wasteful number, since it uses less digits than its factorization.

611000501001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81564852.

The product of its (nonzero) digits is 30, while the sum is 15.

Adding to 611000501001 its reverse (100105000116), we get a palindrome (711105501117).

The spelling of 611000501001 in words is "six hundred eleven billion, five hundred one thousand, one".