10011132520 has 32 divisors (see below), whose sum is σ = 22689477000. Its totient is φ = 3975221248.

The previous prime is 10011132491. The next prime is 10011132539. The reversal of 10011132520 is 2523111001.

It can be written as a sum of positive squares in 4 ways, for example, as 7329756996 + 2681375524 = 85614^2 + 51782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10011132494 and 10011132503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 907945 + ... + 918904.

Almost surely, 2^10011132520 is an apocalyptic number.

10011132520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10011132520 is an abundant number, since it is smaller than the sum of its proper divisors (12678344480).

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

10011132520 is a wasteful number, since it uses less digits than its factorization.

10011132520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826997 (or 1826993 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 10011132520 its reverse (2523111001), we get a palindrome (12534243521).

The spelling of 10011132520 in words is "ten billion, eleven million, one hundred thirty-two thousand, five hundred twenty".