13436606612550 has 192 divisors, whose sum is σ = 37009709227008. Its totient is φ = 3198614400000.

The previous prime is 13436606612537. The next prime is 13436606612563. The reversal of 13436606612550 is 5521660663431.

It is an interprime number because it is at equal distance from previous prime (13436606612537) and next prime (13436606612563).

It is a self number, because there is not a number n which added to its sum of digits gives 13436606612550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60379587 + ... + 60601713.

It is an arithmetic number, because the mean of its divisors is an integer number (192758902224).

Almost surely, 2^{13436606612550} is an apocalyptic number.

13436606612550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13436606612550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18504854613504).

13436606612550 is an abundant number, since it is smaller than the sum of its proper divisors (23573102614458).

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

13436606612550 is a wasteful number, since it uses less digits than its factorization.

13436606612550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222815 (or 222810 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 13436606612550 in words is "thirteen trillion, four hundred thirty-six billion, six hundred six million, six hundred twelve thousand, five hundred fifty".