10986957990 has 64 divisors (see below), whose sum is σ = 29407665600. Its totient is φ = 2918944512.

The previous prime is 10986957967. The next prime is 10986957997. The reversal of 10986957990 is 9975968901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10986957997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3007 + ... + 148266.

It is an arithmetic number, because the mean of its divisors is an integer number (459494775).

Almost surely, 2^10986957990 is an apocalyptic number.

10986957990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10986957990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14703832800).

10986957990 is an abundant number, since it is smaller than the sum of its proper divisors (18420707610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10986957990 is a wasteful number, since it uses less digits than its factorization.

10986957990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151558 (or 151552 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 63.

The spelling of 10986957990 in words is "ten billion, nine hundred eighty-six million, nine hundred fifty-seven thousand, nine hundred ninety".