10011505050 has 144 divisors (see below), whose sum is σ = 27639480960. Its totient is φ = 2596512000.

The previous prime is 10011505039. The next prime is 10011505073. The reversal of 10011505050 is 5050511001.

10011505050 is a `hidden beast` number, since 10 + 0 + 1 + 150 + 505 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 7951321 + ... + 7952579.

It is an arithmetic number, because the mean of its divisors is an integer number (191940840).

Almost surely, 2^10011505050 is an apocalyptic number.

10011505050 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 10011505050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13819740480).

10011505050 is an abundant number, since it is smaller than the sum of its proper divisors (17627975910).

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

10011505050 is a wasteful number, since it uses less digits than its factorization.

10011505050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749 (or 1741 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

It can be divided in two parts, 1001 and 1505050, that added together give a palindrome (1506051).

The spelling of 10011505050 in words is "ten billion, eleven million, five hundred five thousand, fifty".