5106561340 has 12 divisors (see below), whose sum is σ = 10723778856. Its totient is φ = 2042624528.

The previous prime is 5106561319. The next prime is 5106561347. The reversal of 5106561340 is 431656015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5106561347) 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, 127664014 + ... + 127664053.

It is an arithmetic number, because the mean of its divisors is an integer number (893648238).

Almost surely, 2^5106561340 is an apocalyptic number.

It is an amenable number.

5106561340 is an abundant number, since it is smaller than the sum of its proper divisors (5617217516).

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

5106561340 is a wasteful number, since it uses less digits than its factorization.

5106561340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255328076 (or 255328074 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 5106561340 is about 71460.2080881381. The cubic root of 5106561340 is about 1722.0384768487.

The spelling of 5106561340 in words is "five billion, one hundred six million, five hundred sixty-one thousand, three hundred forty".