61279011 has 14 divisors (see below), whose sum is σ = 91877580. Its totient is φ = 40852188.

The previous prime is 61278989. The next prime is 61279021. The reversal of 61279011 is 11097216.

61279011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61279011 - 2⁵ = 61278979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (61279021) 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 13 ways as a sum of consecutive naturals, for example, 41301 + ... + 42758.

Almost surely, 2^61279011 is an apocalyptic number.

61279011 is a deficient number, since it is larger than the sum of its proper divisors (30598569).

61279011 is an frugal number, since it uses more digits than its factorization.

61279011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84077 (or 84062 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 61279011 is about 7828.0911466334. The cubic root of 61279011 is about 394.2489837172.

The spelling of 61279011 in words is "sixty-one million, two hundred seventy-nine thousand, eleven".