12355691480 has 32 divisors (see below), whose sum is σ = 30327607440. Its totient is φ = 4492978560.

The previous prime is 12355691461. The next prime is 12355691503. The reversal of 12355691480 is 8419655321.

It is a happy number.

12355691480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12355691480² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14040119 + ... + 14040998.

Almost surely, 2^12355691480 is an apocalyptic number.

12355691480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12355691480 is an abundant number, since it is smaller than the sum of its proper divisors (17971915960).

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

12355691480 is a wasteful number, since it uses less digits than its factorization.

12355691480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28081139 (or 28081135 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 12355691480 in words is "twelve billion, three hundred fifty-five million, six hundred ninety-one thousand, four hundred eighty".