1129697469810 has 128 divisors (see below), whose sum is σ = 3707725109760. Its totient is φ = 238353746688.

The previous prime is 1129697469793. The next prime is 1129697469829. The reversal of 1129697469810 is 189647969211.

1129697469810 is a `hidden beast` number, since 1 + 1 + 2 + 9 + 6 + 97 + 469 + 81 + 0 = 666.

It is a super-2 number, since 2×1129697469810² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22964797 + ... + 23013936.

It is an arithmetic number, because the mean of its divisors is an integer number (28966602420).

Almost surely, 2^{1129697469810} is an apocalyptic number.

1129697469810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1129697469810 is an abundant number, since it is smaller than the sum of its proper divisors (2578027639950).

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

1129697469810 is a wasteful number, since it uses less digits than its factorization.

1129697469810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45978769 (or 45978763 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The spelling of 1129697469810 in words is "one trillion, one hundred twenty-nine billion, six hundred ninety-seven million, four hundred sixty-nine thousand, eight hundred ten".