61865239611098 has 64 divisors (see below), whose sum is σ = 116040862586880. Its totient is φ = 24031568721600.

The previous prime is 61865239611061. The next prime is 61865239611107. The reversal of 61865239611098 is 89011693256816.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108959363 + ... + 109525673.

It is an arithmetic number, because the mean of its divisors is an integer number (1813138477920).

Almost surely, 2^{61865239611098} is an apocalyptic number.

61865239611098 is a deficient number, since it is larger than the sum of its proper divisors (54175622975782).

61865239611098 is a wasteful number, since it uses less digits than its factorization.

61865239611098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568443.

The product of its (nonzero) digits is 33592320, while the sum is 65.

The spelling of 61865239611098 in words is "sixty-one trillion, eight hundred sixty-five billion, two hundred thirty-nine million, six hundred eleven thousand, ninety-eight".