6112501261 has 4 divisors (see below), whose sum is σ = 6114080124. Its totient is φ = 6110922400.

The previous prime is 6112501243. The next prime is 6112501271. The reversal of 6112501261 is 1621052116.

It is a happy number.

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 1854938761 + 4257562500 = 43069^2 + 65250^2 .

It is a cyclic number.

It is not a de Polignac number, because 6112501261 - 2¹³ = 6112493069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6112501271) 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 3 ways as a sum of consecutive naturals, for example, 783610 + ... + 791371.

It is an arithmetic number, because the mean of its divisors is an integer number (1528520031).

Almost surely, 2^6112501261 is an apocalyptic number.

It is an amenable number.

6112501261 is a deficient number, since it is larger than the sum of its proper divisors (1578863).

6112501261 is a wasteful number, since it uses less digits than its factorization.

6112501261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578862.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 6112501261 is about 78182.4869200258. The cubic root of 6112501261 is about 1828.4074712679.

Adding to 6112501261 its reverse (1621052116), we get a palindrome (7733553377).

The spelling of 6112501261 in words is "six billion, one hundred twelve million, five hundred one thousand, two hundred sixty-one".