5156261430 has 32 divisors (see below), whose sum is σ = 12638329344. Its totient is φ = 1345747296.

The previous prime is 5156261377. The next prime is 5156261431. The reversal of 5156261430 is 341626515.

It is a junction number, because it is equal to n+sod(n) for n = 5156261391 and 5156261400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156261431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1827052 + ... + 1829871.

It is an arithmetic number, because the mean of its divisors is an integer number (394947792).

Almost surely, 2^5156261430 is an apocalyptic number.

5156261430 is an abundant number, since it is smaller than the sum of its proper divisors (7482067914).

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

5156261430 is a wasteful number, since it uses less digits than its factorization.

5156261430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3656980.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 5156261430 is about 71807.1126699856. The cubic root of 5156261430 is about 1727.6070840455.

Adding to 5156261430 its reverse (341626515), we get a palindrome (5497887945).

The spelling of 5156261430 in words is "five billion, one hundred fifty-six million, two hundred sixty-one thousand, four hundred thirty".