11980035870 has 64 divisors (see below), whose sum is σ = 32377743360. Its totient is φ = 2810563200.

The previous prime is 11980035869. The next prime is 11980035871. The reversal of 11980035870 is 7853008911.

It is an interprime number because it is at equal distance from previous prime (11980035869) and next prime (11980035871).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11980035871) 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, 575305 + ... + 595764.

It is an arithmetic number, because the mean of its divisors is an integer number (505902240).

Almost surely, 2^11980035870 is an apocalyptic number.

11980035870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11980035870 is an abundant number, since it is smaller than the sum of its proper divisors (20397707490).

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

11980035870 is a wasteful number, since it uses less digits than its factorization.

11980035870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171121.

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 11980035870 in words is "eleven billion, nine hundred eighty million, thirty-five thousand, eight hundred seventy".