61269011 has 4 divisors (see below), whose sum is σ = 61297224. Its totient is φ = 61240800.

The previous prime is 61269001. The next prime is 61269017. The reversal of 61269011 is 11096216.

61269011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 61269011 - 2⁶ = 61268947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61269017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10550 + ... + 15291.

It is an arithmetic number, because the mean of its divisors is an integer number (15324306).

Almost surely, 2^61269011 is an apocalyptic number.

61269011 is a deficient number, since it is larger than the sum of its proper divisors (28213).

61269011 is a wasteful number, since it uses less digits than its factorization.

61269011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28212.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 61269011 is about 7827.4523952561. The cubic root of 61269011 is about 394.2275369812.

The spelling of 61269011 in words is "sixty-one million, two hundred sixty-nine thousand, eleven".