10521552255 has 16 divisors (see below), whose sum is σ = 16881384960. Its totient is φ = 5595860768.

The previous prime is 10521552191. The next prime is 10521552299. The reversal of 10521552255 is 55225512501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10521552255 - 2⁶ = 10521552191 is a prime.

It is a super-4 number, since 4×10521552255⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 971547 + ... + 982316.

It is an arithmetic number, because the mean of its divisors is an integer number (1055086560).

Almost surely, 2^10521552255 is an apocalyptic number.

10521552255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10521552255 is a deficient number, since it is larger than the sum of its proper divisors (6359832705).

10521552255 is a wasteful number, since it uses less digits than its factorization.

10521552255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954230.

The product of its (nonzero) digits is 25000, while the sum is 33.

The spelling of 10521552255 in words is "ten billion, five hundred twenty-one million, five hundred fifty-two thousand, two hundred fifty-five".