20250154554155 has 16 divisors (see below), whose sum is σ = 24736545007200. Its totient is φ = 15909761548800.

The previous prime is 20250154554127. The next prime is 20250154554181. The reversal of 20250154554155 is 55145545105202.

It is a happy number.

It is not a de Polignac number, because 20250154554155 - 2⁸ = 20250154553899 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33718496 + ... + 34313805.

It is an arithmetic number, because the mean of its divisors is an integer number (1546034062950).

Almost surely, 2^{20250154554155} is an apocalyptic number.

20250154554155 is a deficient number, since it is larger than the sum of its proper divisors (4486390453045).

20250154554155 is a wasteful number, since it uses less digits than its factorization.

20250154554155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68033374.

The product of its (nonzero) digits is 1000000, while the sum is 44.

Adding to 20250154554155 its reverse (55145545105202), we get a palindrome (75395699659357).

The spelling of 20250154554155 in words is "twenty trillion, two hundred fifty billion, one hundred fifty-four million, five hundred fifty-four thousand, one hundred fifty-five".