5571719961 has 32 divisors (see below), whose sum is σ = 8311818240. Its totient is φ = 3299238144.

The previous prime is 5571719957. The next prime is 5571719971. The reversal of 5571719961 is 1699171755.

5571719961 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5571719961 - 2² = 5571719957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (5571719941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243916 + ... + 265778.

It is an arithmetic number, because the mean of its divisors is an integer number (259744320).

Almost surely, 2^5571719961 is an apocalyptic number.

5571719961 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5571719961 is a deficient number, since it is larger than the sum of its proper divisors (2740098279).

5571719961 is a wasteful number, since it uses less digits than its factorization.

5571719961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22165.

The product of its digits is 595350, while the sum is 51.

The square root of 5571719961 is about 74643.9546179059. The cubic root of 5571719961 is about 1772.8136764286.

The spelling of 5571719961 in words is "five billion, five hundred seventy-one million, seven hundred nineteen thousand, nine hundred sixty-one".