5561763426765 has 96 divisors (see below), whose sum is σ = 11879768759040. Its totient is φ = 2344039492608.

The previous prime is 5561763426763. The next prime is 5561763426767. The reversal of 5561763426765 is 5676243671655.

5561763426765 is a `hidden beast` number, since 5 + 5 + 6 + 176 + 342 + 67 + 65 = 666.

It is an interprime number because it is at equal distance from previous prime (5561763426763) and next prime (5561763426767).

It is not a de Polignac number, because 5561763426765 - 2¹ = 5561763426763 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561763426763) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2473434 + ... + 4152276.

It is an arithmetic number, because the mean of its divisors is an integer number (123747591240).

Almost surely, 2^{5561763426765} is an apocalyptic number.

It is an amenable number.

5561763426765 is an abundant number, since it is smaller than the sum of its proper divisors (6318005332275).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5561763426765 is a wasteful number, since it uses less digits than its factorization.

5561763426765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679683 (or 1679680 counting only the distinct ones).

The product of its digits is 190512000, while the sum is 63.

The spelling of 5561763426765 in words is "five trillion, five hundred sixty-one billion, seven hundred sixty-three million, four hundred twenty-six thousand, seven hundred sixty-five".