61005110511098 has 16 divisors (see below), whose sum is σ = 98546851194120. Its totient is φ = 28156166504256.

The previous prime is 61005110511073. The next prime is 61005110511109. The reversal of 61005110511098 is 89011501150016.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36608949584089 + 24396160927009 = 6050533^2 + 4939247^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28698836 + ... + 30751152.

Almost surely, 2^{61005110511098} is an apocalyptic number.

61005110511098 is a deficient number, since it is larger than the sum of its proper divisors (37541740683022).

61005110511098 is a wasteful number, since it uses less digits than its factorization.

61005110511098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195601.

The product of its (nonzero) digits is 10800, while the sum is 38.

The spelling of 61005110511098 in words is "sixty-one trillion, five billion, one hundred ten million, five hundred eleven thousand, ninety-eight".