20155414005199 has 16 divisors (see below), whose sum is σ = 22697293602816. Its totient is φ = 17731810936800.

The previous prime is 20155414005193. The next prime is 20155414005241. The reversal of 20155414005199 is 99150041455102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20155414005199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20155414005193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30212389 + ... + 30872305.

It is an arithmetic number, because the mean of its divisors is an integer number (1418580850176).

Almost surely, 2^{20155414005199} is an apocalyptic number.

20155414005199 is a deficient number, since it is larger than the sum of its proper divisors (2541879597617).

20155414005199 is a wasteful number, since it uses less digits than its factorization.

20155414005199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749526.

The product of its (nonzero) digits is 324000, while the sum is 46.

The spelling of 20155414005199 in words is "twenty trillion, one hundred fifty-five billion, four hundred fourteen million, five thousand, one hundred ninety-nine".