51105105098 has 64 divisors (see below), whose sum is σ = 81801498240. Its totient is φ = 23915673600.

The previous prime is 51105105091. The next prime is 51105105119. The reversal of 51105105098 is 89050150115.

It is a super-2 number, since 2×51105105098² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51105105091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61795361 + ... + 61796187.

It is an arithmetic number, because the mean of its divisors is an integer number (1278148410).

Almost surely, 2^51105105098 is an apocalyptic number.

51105105098 is a deficient number, since it is larger than the sum of its proper divisors (30696393142).

51105105098 is a wasteful number, since it uses less digits than its factorization.

51105105098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223.

The product of its (nonzero) digits is 9000, while the sum is 35.

The spelling of 51105105098 in words is "fifty-one billion, one hundred five million, one hundred five thousand, ninety-eight".