13511377098 has 64 divisors (see below), whose sum is σ = 30860766720. Its totient is φ = 4378660416.

The previous prime is 13511377097. The next prime is 13511377141. The reversal of 13511377098 is 89077311531.

13511377098 is a `hidden beast` number, since 13 + 511 + 37 + 7 + 0 + 98 = 666.

It is a super-2 number, since 2×13511377098² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13511377091) 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, 4468015 + ... + 4471037.

It is an arithmetic number, because the mean of its divisors is an integer number (482199480).

Almost surely, 2^13511377098 is an apocalyptic number.

13511377098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13511377098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15430383360).

13511377098 is an abundant number, since it is smaller than the sum of its proper divisors (17349389622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13511377098 is a wasteful number, since it uses less digits than its factorization.

13511377098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5308 (or 5302 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The spelling of 13511377098 in words is "thirteen billion, five hundred eleven million, three hundred seventy-seven thousand, ninety-eight".