61429815011 has 8 divisors (see below), whose sum is σ = 62936972448. Its totient is φ = 59923080000.

The previous prime is 61429814977. The next prime is 61429815071. The reversal of 61429815011 is 11051892416.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 61429815011 - 2¹⁸ = 61429552867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61429815071) 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 7 ways as a sum of consecutive naturals, for example, 199481 + ... + 403301.

It is an arithmetic number, because the mean of its divisors is an integer number (7867121556).

Almost surely, 2^61429815011 is an apocalyptic number.

61429815011 is a deficient number, since it is larger than the sum of its proper divisors (1507157437).

61429815011 is a wasteful number, since it uses less digits than its factorization.

61429815011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211213.

The product of its (nonzero) digits is 17280, while the sum is 38.

The spelling of 61429815011 in words is "sixty-one billion, four hundred twenty-nine million, eight hundred fifteen thousand, eleven".