61054679011 has 4 divisors (see below), whose sum is σ = 63160012800. Its totient is φ = 58949345224.

The previous prime is 61054679009. The next prime is 61054679027. The reversal of 61054679011 is 11097645016.

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 61054679011 - 2¹ = 61054679009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61054679041) 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, 1052666851 + ... + 1052666908.

It is an arithmetic number, because the mean of its divisors is an integer number (15790003200).

Almost surely, 2^61054679011 is an apocalyptic number.

61054679011 is a deficient number, since it is larger than the sum of its proper divisors (2105333789).

61054679011 is a wasteful number, since it uses less digits than its factorization.

61054679011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105333788.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 61054679011 in words is "sixty-one billion, fifty-four million, six hundred seventy-nine thousand, eleven".