610001055001 has 4 divisors (see below), whose sum is σ = 656924213092. Its totient is φ = 563077896912.

The previous prime is 610001054969. The next prime is 610001055077. The reversal of 610001055001 is 100550100016.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 399550410000 + 210450645001 = 632100^2 + 458749^2 .

It is a cyclic number.

It is not a de Polignac number, because 610001055001 - 2⁵ = 610001054969 is a prime.

It is a super-2 number, since 2×610001055001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 610001055001.

It is not an unprimeable number, because it can be changed into a prime (610001056001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23461579026 + ... + 23461579051.

It is an arithmetic number, because the mean of its divisors is an integer number (164231053273).

Almost surely, 2^610001055001 is an apocalyptic number.

It is an amenable number.

610001055001 is a deficient number, since it is larger than the sum of its proper divisors (46923158091).

610001055001 is a wasteful number, since it uses less digits than its factorization.

610001055001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46923158090.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 610001055001 its reverse (100550100016), we get a palindrome (710551155017).

The spelling of 610001055001 in words is "six hundred ten billion, one million, fifty-five thousand, one".