61189298116 has 6 divisors (see below), whose sum is σ = 107081271710. Its totient is φ = 30594649056.

The previous prime is 61189298111. The next prime is 61189298123.

61189298116 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 46119280516 + 15070017600 = 214754^2 + 122760^2 .

It is a super-2 number, since 2×61189298116² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61189298111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7648662261 + ... + 7648662268.

Almost surely, 2^61189298116 is an apocalyptic number.

It is an amenable number.

61189298116 is a deficient number, since it is larger than the sum of its proper divisors (45891973594).

61189298116 is a wasteful number, since it uses less digits than its factorization.

61189298116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15297324533 (or 15297324531 counting only the distinct ones).

The product of its digits is 373248, while the sum is 52.

The spelling of 61189298116 in words is "sixty-one billion, one hundred eighty-nine million, two hundred ninety-eight thousand, one hundred sixteen".