10530778511750 has 64 divisors (see below), whose sum is σ = 22654323409536. Its totient is φ = 3590604720000.

The previous prime is 10530778511749. The next prime is 10530778511767. The reversal of 10530778511750 is 5711587703501.

It is a super-2 number, since 2×10530778511750² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16306421 + ... + 16939920.

It is an arithmetic number, because the mean of its divisors is an integer number (353973803274).

Almost surely, 2^{10530778511750} is an apocalyptic number.

10530778511750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10530778511750 is an abundant number, since it is smaller than the sum of its proper divisors (12123544897786).

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

10530778511750 is a wasteful number, since it uses less digits than its factorization.

10530778511750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33246546 (or 33246536 counting only the distinct ones).

The product of its (nonzero) digits is 1029000, while the sum is 50.

The spelling of 10530778511750 in words is "ten trillion, five hundred thirty billion, seven hundred seventy-eight million, five hundred eleven thousand, seven hundred fifty".