12355045542 has 24 divisors (see below), whose sum is σ = 30593446416. Its totient is φ = 3530012976.

The previous prime is 12355045541. The next prime is 12355045543. The reversal of 12355045542 is 24554055321.

12355045542 is a `hidden beast` number, since 1 + 23 + 5 + 50 + 45 + 542 = 666.

It is an interprime number because it is at equal distance from previous prime (12355045541) and next prime (12355045543).

It is a junction number, because it is equal to n+sod(n) for n = 12355045497 and 12355045506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12355045541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49027833 + ... + 49028084.

It is an arithmetic number, because the mean of its divisors is an integer number (1274726934).

Almost surely, 2^12355045542 is an apocalyptic number.

12355045542 is an abundant number, since it is smaller than the sum of its proper divisors (18238400874).

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

12355045542 is a wasteful number, since it uses less digits than its factorization.

12355045542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98055932 (or 98055929 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 12355045542 in words is "twelve billion, three hundred fifty-five million, forty-five thousand, five hundred forty-two".