25454051555115 has 8 divisors (see below), whose sum is σ = 40726482488208. Its totient is φ = 13575494162720.

The previous prime is 25454051555071. The next prime is 25454051555159. The reversal of 25454051555115 is 51155515045452.

It is an interprime number because it is at equal distance from previous prime (25454051555071) and next prime (25454051555159).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25454051555115 - 2²² = 25454047360811 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848468385156 + ... + 848468385185.

It is an arithmetic number, because the mean of its divisors is an integer number (5090810311026).

Almost surely, 2^{25454051555115} is an apocalyptic number.

25454051555115 is a deficient number, since it is larger than the sum of its proper divisors (15272430933093).

25454051555115 is a wasteful number, since it uses less digits than its factorization.

25454051555115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696936770349.

The product of its (nonzero) digits is 2500000, while the sum is 48.

The spelling of 25454051555115 in words is "twenty-five trillion, four hundred fifty-four billion, fifty-one million, five hundred fifty-five thousand, one hundred fifteen".