Search a number
-
+
11554054157 is a prime number
BaseRepresentation
bin10101100001010110…
…01110000000001101
31002211012222202122202
422300223032000031
5142130314213112
65150255251245
7556214561042
oct126053160015
932735882582
1011554054157
114999a64998
1222a5519b25
131121957249
147b86d71c9
154795336c2
hex2b0ace00d

11554054157 has 2 divisors, whose sum is σ = 11554054158. Its totient is φ = 11554054156.

The previous prime is 11554054079. The next prime is 11554054177. The reversal of 11554054157 is 75145045511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11470624201 + 83429956 = 107101^2 + 9134^2 .

It is an emirp because it is prime and its reverse (75145045511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11554054157 - 226 = 11486945293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11554054157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11554054177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5777027078 + 5777027079.

It is an arithmetic number, because the mean of its divisors is an integer number (5777027079).

Almost surely, 211554054157 is an apocalyptic number.

It is an amenable number.

11554054157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11554054157 is an equidigital number, since it uses as much as digits as its factorization.

11554054157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70000, while the sum is 38.

Adding to 11554054157 its reverse (75145045511), we get a palindrome (86699099668).

The spelling of 11554054157 in words is "eleven billion, five hundred fifty-four million, fifty-four thousand, one hundred fifty-seven".