12155413460 has 24 divisors (see below), whose sum is σ = 25566094176. Its totient is φ = 4854598560.

The previous prime is 12155413433. The next prime is 12155413483. The reversal of 12155413460 is 6431455121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459746 + ... + 485465.

It is an arithmetic number, because the mean of its divisors is an integer number (1065253924).

Almost surely, 2^12155413460 is an apocalyptic number.

12155413460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12155413460 is an abundant number, since it is smaller than the sum of its proper divisors (13410680716).

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

12155413460 is a wasteful number, since it uses less digits than its factorization.

12155413460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945863 (or 945861 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 12155413460 its reverse (6431455121), we get a palindrome (18586868581).

The spelling of 12155413460 in words is "twelve billion, one hundred fifty-five million, four hundred thirteen thousand, four hundred sixty".