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25552455111113 = 72862360475319
BaseRepresentation
bin1011100111101011001010…
…00000101001000111001001
310100110210100112100002020112
411303311211000221013021
511322122412002023423
6130202345201004105
75245050441525500
oct563654500510711
9110423315302215
1025552455111113
11816180a839397
122a482a1623635
131134780aa9048
14644a61641837
152e4a28390a78
hex173d650291c9

25552455111113 has 12 divisors (see below), whose sum is σ = 29727732101760. Its totient is φ = 21899564055432.

The previous prime is 25552455111061. The next prime is 25552455111143. The reversal of 25552455111113 is 31111155425552.

It is not a de Polignac number, because 25552455111113 - 210 = 25552455110089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25552455111143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29815133 + ... + 30660186.

It is an arithmetic number, because the mean of its divisors is an integer number (2477311008480).

Almost surely, 225552455111113 is an apocalyptic number.

It is an amenable number.

25552455111113 is a deficient number, since it is larger than the sum of its proper divisors (4175276990647).

25552455111113 is an equidigital number, since it uses as much as digits as its factorization.

25552455111113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60483956 (or 60483949 counting only the distinct ones).

The product of its digits is 150000, while the sum is 41.

The spelling of 25552455111113 in words is "twenty-five trillion, five hundred fifty-two billion, four hundred fifty-five million, one hundred eleven thousand, one hundred thirteen".

Divisors: 1 7 49 8623 60361 422527 60475319 423327233 2963290631 521478675737 3650350730159 25552455111113