10521011501025 has 24 divisors (see below), whose sum is σ = 17955859632384. Its totient is φ = 5430199483200.

The previous prime is 10521011500943. The next prime is 10521011501027. The reversal of 10521011501025 is 52010511012501.

It is not a de Polignac number, because 10521011501025 - 2¹³ = 10521011492833 is a prime.

It is a super-2 number, since 2×10521011501025² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10521011500986 and 10521011501004.

It is not an unprimeable number, because it can be changed into a prime (10521011501027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2262580794 + ... + 2262585443.

It is an arithmetic number, because the mean of its divisors is an integer number (748160818016).

Almost surely, 2^{10521011501025} is an apocalyptic number.

10521011501025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10521011501025 is a deficient number, since it is larger than the sum of its proper divisors (7434848131359).

10521011501025 is a wasteful number, since it uses less digits than its factorization.

10521011501025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4525166281 (or 4525166276 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 24.

Adding to 10521011501025 its reverse (52010511012501), we get a palindrome (62531522513526).

The spelling of 10521011501025 in words is "ten trillion, five hundred twenty-one billion, eleven million, five hundred one thousand, twenty-five".