5158775261 has 4 divisors (see below), whose sum is σ = 5158936224. Its totient is φ = 5158614300.

The previous prime is 5158775243. The next prime is 5158775269. The reversal of 5158775261 is 1625778515.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1625778515 = 5 ⋅325155703.

It is a cyclic number.

It is not a de Polignac number, because 5158775261 - 2⁶ = 5158775197 is a prime.

It is a super-2 number, since 2×5158775261² = 53225924387011236242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5158775269) 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, 14225 + ... + 102566.

It is an arithmetic number, because the mean of its divisors is an integer number (1289734056).

Almost surely, 2^5158775261 is an apocalyptic number.

It is an amenable number.

5158775261 is a deficient number, since it is larger than the sum of its proper divisors (160963).

5158775261 is a wasteful number, since it uses less digits than its factorization.

5158775261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160962.

The product of its digits is 588000, while the sum is 47.

The square root of 5158775261 is about 71824.6145899858. The cubic root of 5158775261 is about 1727.8877917331.

The spelling of 5158775261 in words is "five billion, one hundred fifty-eight million, seven hundred seventy-five thousand, two hundred sixty-one".