11986136410 has 36 divisors (see below), whose sum is σ = 21876422778. Its totient is φ = 4728397696.

The previous prime is 11986136381. The next prime is 11986136417. The reversal of 11986136410 is 1463168911.

It can be written as a sum of positive squares in 9 ways, for example, as 967645449 + 11018490961 = 31107^2 + 104969^2 .

It is not an unprimeable number, because it can be changed into a prime (11986136417) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30812496 + ... + 30812884.

Almost surely, 2^11986136410 is an apocalyptic number.

11986136410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11986136410 is a deficient number, since it is larger than the sum of its proper divisors (9890286368).

11986136410 is an frugal number, since it uses more digits than its factorization.

11986136410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

Multiplying 11986136410 by its sum of digits (40), we get a square (479445456400 = 692420²).

The spelling of 11986136410 in words is "eleven billion, nine hundred eighty-six million, one hundred thirty-six thousand, four hundred ten".