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11542285487 is a prime number
BaseRepresentation
bin10101011111111100…
…10100110010101111
31002210101211212002002
422233332110302233
5142114311113422
65145155122515
7556012544045
oct125776246257
932711755062
1011542285487
114993356a17
1222a15a343b
13111c396635
147b6d12395
154784ab692
hex2aff94caf

11542285487 has 2 divisors, whose sum is σ = 11542285488. Its totient is φ = 11542285486.

The previous prime is 11542285453. The next prime is 11542285511. The reversal of 11542285487 is 78458224511.

It is a strong prime.

It is an emirp because it is prime and its reverse (78458224511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11542285487 - 210 = 11542284463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11542285687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771142743 + 5771142744.

It is an arithmetic number, because the mean of its divisors is an integer number (5771142744).

Almost surely, 211542285487 is an apocalyptic number.

11542285487 is a deficient number, since it is larger than the sum of its proper divisors (1).

11542285487 is an equidigital number, since it uses as much as digits as its factorization.

11542285487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 716800, while the sum is 47.

The spelling of 11542285487 in words is "eleven billion, five hundred forty-two million, two hundred eighty-five thousand, four hundred eighty-seven".