5109156461 has 4 divisors (see below), whose sum is σ = 5285334300. Its totient is φ = 4932978624.

The previous prime is 5109156427. The next prime is 5109156467. The reversal of 5109156461 is 1646519015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3642726025 + 1466430436 = 60355^2 + 38294^2 .

It is a cyclic number.

It is not a de Polignac number, because 5109156461 - 2⁶ = 5109156397 is a prime.

It is a super-2 number, since 2×5109156461² = 52206959485956089042, 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 (5109156467) 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, 88088876 + ... + 88088933.

It is an arithmetic number, because the mean of its divisors is an integer number (1321333575).

Almost surely, 2^5109156461 is an apocalyptic number.

It is an amenable number.

5109156461 is a deficient number, since it is larger than the sum of its proper divisors (176177839).

5109156461 is a wasteful number, since it uses less digits than its factorization.

5109156461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176177838.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 5109156461 is about 71478.3635864728. The cubic root of 5109156461 is about 1722.3301370031.

The spelling of 5109156461 in words is "five billion, one hundred nine million, one hundred fifty-six thousand, four hundred sixty-one".