755719008161 has 4 divisors (see below), whose sum is σ = 813851239572. Its totient is φ = 697586776752.

The previous prime is 755719008131. The next prime is 755719008167. The reversal of 755719008161 is 161800917557.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161800917557 = 1259 ⋅128515423.

It can be written as a sum of positive squares in 2 ways, for example, as 316721328400 + 438997679761 = 562780^2 + 662569^2 .

It is a cyclic number.

It is not a de Polignac number, because 755719008161 - 2¹⁰ = 755719007137 is a prime.

It is a super-2 number, since 2×755719008161² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (755719008167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29066115686 + ... + 29066115711.

It is an arithmetic number, because the mean of its divisors is an integer number (203462809893).

Almost surely, 2^755719008161 is an apocalyptic number.

It is an amenable number.

755719008161 is a deficient number, since it is larger than the sum of its proper divisors (58132231411).

755719008161 is a wasteful number, since it uses less digits than its factorization.

755719008161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58132231410.

The product of its (nonzero) digits is 529200, while the sum is 50.

The spelling of 755719008161 in words is "seven hundred fifty-five billion, seven hundred nineteen million, eight thousand, one hundred sixty-one".