61771506034 has 64 divisors (see below), whose sum is σ = 113745772800. Its totient is φ = 24558243840.

The previous prime is 61771506029. The next prime is 61771506047. The reversal of 61771506034 is 43060517716.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4638874 + ... + 4652170.

It is an arithmetic number, because the mean of its divisors is an integer number (1777277700).

Almost surely, 2^61771506034 is an apocalyptic number.

61771506034 is a deficient number, since it is larger than the sum of its proper divisors (51974266766).

61771506034 is a wasteful number, since it uses less digits than its factorization.

61771506034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13603.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 61771506034 in words is "sixty-one billion, seven hundred seventy-one million, five hundred six thousand, thirty-four".