1135471798650 has 144 divisors (see below), whose sum is σ = 3296588085216. Its totient is φ = 257883050880.

The previous prime is 1135471798639. The next prime is 1135471798729. The reversal of 1135471798650 is 568971745311.

It is a super-2 number, since 2×1135471798650² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 661957 + ... + 1645943.

It is an arithmetic number, because the mean of its divisors is an integer number (22892972814).

Almost surely, 2^{1135471798650} is an apocalyptic number.

1135471798650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1135471798650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1648294042608).

1135471798650 is an abundant number, since it is smaller than the sum of its proper divisors (2161116286566).

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

1135471798650 is a wasteful number, since it uses less digits than its factorization.

1135471798650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984173 (or 984161 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 57.

The spelling of 1135471798650 in words is "one trillion, one hundred thirty-five billion, four hundred seventy-one million, seven hundred ninety-eight thousand, six hundred fifty".