4121634455261 has 8 divisors (see below), whose sum is σ = 4163392679424. Its totient is φ = 4079968925760.

The previous prime is 4121634455249. The next prime is 4121634455291. The reversal of 4121634455261 is 1625544361214.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-4121634455261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121634455291) 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, 23084285 + ... + 23262146.

It is an arithmetic number, because the mean of its divisors is an integer number (520424084928).

Almost surely, 2^{4121634455261} is an apocalyptic number.

It is an amenable number.

4121634455261 is a deficient number, since it is larger than the sum of its proper divisors (41758224163).

4121634455261 is a wasteful number, since it uses less digits than its factorization.

4121634455261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46347331.

The product of its digits is 691200, while the sum is 44.

The spelling of 4121634455261 in words is "four trillion, one hundred twenty-one billion, six hundred thirty-four million, four hundred fifty-five thousand, two hundred sixty-one".