655519715755 has 16 divisors (see below), whose sum is σ = 800514883584. Its totient is φ = 515235137760.

The previous prime is 655519715731. The next prime is 655519715771. The reversal of 655519715755 is 557517915556.

It is a happy number.

It is not a de Polignac number, because 655519715755 - 2¹⁷ = 655519584683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 655519715693 and 655519715702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4945831 + ... + 5076640.

It is an arithmetic number, because the mean of its divisors is an integer number (50032180224).

Almost surely, 2^655519715755 is an apocalyptic number.

655519715755 is a deficient number, since it is larger than the sum of its proper divisors (144995167829).

655519715755 is a wasteful number, since it uses less digits than its factorization.

655519715755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10022706.

The product of its digits is 41343750, while the sum is 61.

The spelling of 655519715755 in words is "six hundred fifty-five billion, five hundred nineteen million, seven hundred fifteen thousand, seven hundred fifty-five".