11958078570 has 48 divisors (see below), whose sum is σ = 29655110880. Its totient is φ = 3085948320.

The previous prime is 11958078569. The next prime is 11958078577. The reversal of 11958078570 is 7587085911.

It is not an unprimeable number, because it can be changed into a prime (11958078577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178560 + ... + 236219.

It is an arithmetic number, because the mean of its divisors is an integer number (617814810).

Almost surely, 2^11958078570 is an apocalyptic number.

11958078570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11958078570 is an abundant number, since it is smaller than the sum of its proper divisors (17697032310).

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

11958078570 is a wasteful number, since it uses less digits than its factorization.

11958078570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414851 (or 414820 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 51.

The spelling of 11958078570 in words is "eleven billion, nine hundred fifty-eight million, seventy-eight thousand, five hundred seventy".