10553265515 has 16 divisors (see below), whose sum is σ = 13706616000. Its totient is φ = 7754009472.

The previous prime is 10553265511. The next prime is 10553265517. The reversal of 10553265515 is 51556235501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10553265515 - 2² = 10553265511 is a prime.

It is a super-2 number, since 2×10553265515² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10553265511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395000 + ... + 420869.

It is an arithmetic number, because the mean of its divisors is an integer number (856663500).

Almost surely, 2^10553265515 is an apocalyptic number.

10553265515 is a deficient number, since it is larger than the sum of its proper divisors (3153350485).

10553265515 is a wasteful number, since it uses less digits than its factorization.

10553265515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816086.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 10553265515 in words is "ten billion, five hundred fifty-three million, two hundred sixty-five thousand, five hundred fifteen".