61051005051 has 8 divisors (see below), whose sum is σ = 81424433664. Its totient is φ = 40689123240.

The previous prime is 61051005011. The next prime is 61051005079. The reversal of 61051005051 is 15050015016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61051005051 - 2¹¹ = 61051003003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61051005011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2874355 + ... + 2895516.

It is an arithmetic number, because the mean of its divisors is an integer number (10178054208).

Almost surely, 2^61051005051 is an apocalyptic number.

61051005051 is a deficient number, since it is larger than the sum of its proper divisors (20373428613).

61051005051 is a wasteful number, since it uses less digits than its factorization.

61051005051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773401.

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 61051005051 in words is "sixty-one billion, fifty-one million, five thousand, fifty-one".