4261000256061 has 8 divisors (see below), whose sum is σ = 5681343216864. Its totient is φ = 2840662066320.

The previous prime is 4261000256041. The next prime is 4261000256063. The reversal of 4261000256061 is 1606520001624.

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

It is not a de Polignac number, because 4261000256061 - 2²² = 4260996061757 is a prime.

It is a super-2 number, since 2×4261000256061² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4261000256063) 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, 2812150 + ... + 4053416.

It is an arithmetic number, because the mean of its divisors is an integer number (710167902108).

Almost surely, 2^{4261000256061} is an apocalyptic number.

It is an amenable number.

4261000256061 is a deficient number, since it is larger than the sum of its proper divisors (1420342960803).

4261000256061 is a wasteful number, since it uses less digits than its factorization.

4261000256061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385531.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 4261000256061 its reverse (1606520001624), we get a palindrome (5867520257685).

The spelling of 4261000256061 in words is "four trillion, two hundred sixty-one billion, two hundred fifty-six thousand, sixty-one".