1006361252261 has 8 divisors (see below), whose sum is σ = 1012564675584. Its totient is φ = 1000159940080.

The previous prime is 1006361252249. The next prime is 1006361252371. The reversal of 1006361252261 is 1622521636001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1006361252261 is a prime.

It is a super-2 number, since 2×1006361252261² (a number of 25 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 (1006361252161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433916 + ... + 1483578.

It is an arithmetic number, because the mean of its divisors is an integer number (126570584448).

Almost surely, 2^{1006361252261} is an apocalyptic number.

It is an amenable number.

1006361252261 is a deficient number, since it is larger than the sum of its proper divisors (6203423323).

1006361252261 is a wasteful number, since it uses less digits than its factorization.

1006361252261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055571.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 1006361252261 its reverse (1622521636001), we get a palindrome (2628882888262).

The spelling of 1006361252261 in words is "one trillion, six billion, three hundred sixty-one million, two hundred fifty-two thousand, two hundred sixty-one".