5517371625261 has 4 divisors (see below), whose sum is σ = 7356495500352. Its totient is φ = 3678247750172.

The previous prime is 5517371625253. The next prime is 5517371625289. The reversal of 5517371625261 is 1625261737155.

5517371625261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5517371625261 - 2³ = 5517371625253 is a prime.

It is a super-2 number, since 2×5517371625261² (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 (5517371625211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919561937541 + ... + 919561937546.

It is an arithmetic number, because the mean of its divisors is an integer number (1839123875088).

Almost surely, 2^{5517371625261} is an apocalyptic number.

It is an amenable number.

5517371625261 is a deficient number, since it is larger than the sum of its proper divisors (1839123875091).

5517371625261 is a wasteful number, since it uses less digits than its factorization.

5517371625261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839123875090.

The product of its digits is 2646000, while the sum is 51.

The spelling of 5517371625261 in words is "five trillion, five hundred seventeen billion, three hundred seventy-one million, six hundred twenty-five thousand, two hundred sixty-one".