25123342050155 has 4 divisors (see below), whose sum is σ = 30148010460192. Its totient is φ = 20098673640120.

The previous prime is 25123342050143. The next prime is 25123342050161. The reversal of 25123342050155 is 55105024332152.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25123342050155 - 2¹⁴ = 25123342033771 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2512334205011 + ... + 2512334205020.

It is an arithmetic number, because the mean of its divisors is an integer number (7537002615048).

Almost surely, 2^{25123342050155} is an apocalyptic number.

25123342050155 is a deficient number, since it is larger than the sum of its proper divisors (5024668410037).

25123342050155 is an equidigital number, since it uses as much as digits as its factorization.

25123342050155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5024668410036.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 25123342050155 in words is "twenty-five trillion, one hundred twenty-three billion, three hundred forty-two million, fifty thousand, one hundred fifty-five".