11951625860 has 48 divisors (see below), whose sum is σ = 26482491840. Its totient is φ = 4518218880.

The previous prime is 11951625857. The next prime is 11951625887. The reversal of 11951625860 is 6852615911.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122627 + ... + 197333.

It is an arithmetic number, because the mean of its divisors is an integer number (551718580).

Almost surely, 2^11951625860 is an apocalyptic number.

11951625860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11951625860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13241245920).

11951625860 is an abundant number, since it is smaller than the sum of its proper divisors (14530865980).

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

11951625860 is a wasteful number, since it uses less digits than its factorization.

11951625860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75156 (or 75154 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 44.

The spelling of 11951625860 in words is "eleven billion, nine hundred fifty-one million, six hundred twenty-five thousand, eight hundred sixty".