10869407550 has 96 divisors (see below), whose sum is σ = 30917544960. Its totient is φ = 2804997600.

The previous prime is 10869407531. The next prime is 10869407557. The reversal of 10869407550 is 5570496801.

10869407550 is a `hidden beast` number, since 1 + 0 + 8 + 6 + 94 + 0 + 7 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 10869407496 and 10869407505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10869407557) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88012 + ... + 171711.

It is an arithmetic number, because the mean of its divisors is an integer number (322057760).

Almost surely, 2^10869407550 is an apocalyptic number.

10869407550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10869407550 is an abundant number, since it is smaller than the sum of its proper divisors (20048137410).

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

10869407550 is a wasteful number, since it uses less digits than its factorization.

10869407550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259775 (or 259764 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 10869407550 in words is "ten billion, eight hundred sixty-nine million, four hundred seven thousand, five hundred fifty".