10521130455 has 96 divisors (see below), whose sum is σ = 20886128640. Its totient is φ = 4852512000.

The previous prime is 10521130453. The next prime is 10521130457. The reversal of 10521130455 is 55403112501.

10521130455 is a `hidden beast` number, since 1 + 0 + 521 + 130 + 4 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (10521130453) and next prime (10521130457).

It is not a de Polignac number, because 10521130455 - 2¹ = 10521130453 is a prime.

It is a super-2 number, since 2×10521130455² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10521130453) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 899545 + ... + 911165.

It is an arithmetic number, because the mean of its divisors is an integer number (217563840).

Almost surely, 2^10521130455 is an apocalyptic number.

10521130455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10521130455 is a deficient number, since it is larger than the sum of its proper divisors (10364998185).

10521130455 is a wasteful number, since it uses less digits than its factorization.

10521130455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11733 (or 11730 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 10521130455 its reverse (55403112501), we get a palindrome (65924242956).

The spelling of 10521130455 in words is "ten billion, five hundred twenty-one million, one hundred thirty thousand, four hundred fifty-five".