10510509855 has 48 divisors (see below), whose sum is σ = 17547978240. Its totient is φ = 5371352640.

The previous prime is 10510509853. The next prime is 10510509857. The reversal of 10510509855 is 55890501501.

It is an interprime number because it is at equal distance from previous prime (10510509853) and next prime (10510509857).

It is not a de Polignac number, because 10510509855 - 2¹ = 10510509853 is a prime.

It is a super-2 number, since 2×10510509855² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10510509853) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1481206 + ... + 1488284.

It is an arithmetic number, because the mean of its divisors is an integer number (365582880).

Almost surely, 2^10510509855 is an apocalyptic number.

10510509855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10510509855 is a deficient number, since it is larger than the sum of its proper divisors (7037468385).

10510509855 is a wasteful number, since it uses less digits than its factorization.

10510509855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7252 (or 7221 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 39.

The spelling of 10510509855 in words is "ten billion, five hundred ten million, five hundred nine thousand, eight hundred fifty-five".