10865987810 has 16 divisors (see below), whose sum is σ = 19974923136. Its totient is φ = 4253918448.

The previous prime is 10865987791. The next prime is 10865987827. The reversal of 10865987810 is 1878956801.

It is a super-2 number, since 2×10865987810² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11559092 + ... + 11560031.

It is an arithmetic number, because the mean of its divisors is an integer number (1248432696).

Almost surely, 2^10865987810 is an apocalyptic number.

10865987810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10865987810 is a deficient number, since it is larger than the sum of its proper divisors (9108935326).

10865987810 is a wasteful number, since it uses less digits than its factorization.

10865987810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23119177.

The product of its (nonzero) digits is 967680, while the sum is 53.

The spelling of 10865987810 in words is "ten billion, eight hundred sixty-five million, nine hundred eighty-seven thousand, eight hundred ten".